Annotated Checklist of Maine Macrolichens

Jim Hinds - March, 2017

1 Ahtiana aurescens (Tuck.) A.Thell & Randlane
Accepted Name: Ahtiana aurescens
Common Name: Eastern Candlewax Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Conifer bark, Thuja
Conservation Status: G3, R3
Comments: Old growth indicator
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Alectoria americana Mot.
Accepted Name: Bryoria americana

S Alectoria capillaris (Ach.) Cromb.
Accepted Name: Bryoria pikeii

S Alectoria crinalis Ach.
Accepted Name: Ramalina thrausta

S Alectoria fuscescens Gyeln.
Accepted Name: Bryoria fuscescens

S Alectoria implexa (Hoffm.) Nyl.
Accepted Name: Bryoria kochiana

S Alectoria lanestris (Ach.) Gyeln.
Accepted Name: Bryoria lanestris

S Alectoria nadvornikiana Gyeln.
Accepted Name: Bryoria nadvornikiana

S Alectoria nidulifera Norrl.
Accepted Name: Bryoria furcellata

2 Alectoria ochroleuca (Hoffm.) A. Massal.
Accepted Name: Alectoria ochroleuca
Common Name: Yellow-Green Witch's Hair
NE Distribution: ME (Mt.Desert I)
Substrate: Soil
Conservation Status: RH
Comments: Common in arctic
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: FH, NEBC, 1888

S Alectoria positiva (Gyeln.) Motyka
Accepted Name: Bryoria fuscescens

3 Alectoria sarmentosa (Ach.) Ach. ssp. sarmentosa
Accepted Name: Alectoria sarmentosa
Common Name: Witch's Hair
NE Distribution: ME,NH,VT
Substrate: Conifer bark
Conservation Status: R3, old growth
Comments: Mostly eastern coastal ME
Reference: Howe 1911a, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Alectoria trichodes (Michx.) D.Hawksw.
Accepted Name: Bryoria trichodes

S Allocetraria cucullata (Belardi) Randlane & Saag
Accepted Name: Flavocetraria cucullata

S Allocetraria nivalis (L.) Randland & Saag
Accepted Name: Flavocetraria nivalis

S Allocetraria oakesiana (Tuck.) Randlane & A.Thell
Accepted Name: Usnocetraria oakesiana

M Anaptychia aquila (Ach.) A.Massal.
Accepted Name: Anaptychia palmulata

M Anaptychia ciliaris (L.) Körb.
Accepted Name: Anaptychia crinalis

4 Anaptychia crinalis (Schaerer) Vezda
Accepted Name: Anaptychia crinalis
Common Name: Hanging Fringe Lichen
NE Distribution: ME,VT,MA
Substrate: Calcareous rocks; trees
Conservation Status: R1
Comments: =Anaptychia setifera
Reference: Hinds & Hinds 1998, as A. setifera, Esslinger 2007
Herbarium: UMFK

S Anaptychia echinata (Taylor) Kurok.
Accepted Name: Heterodermia echinata

S Anaptychia galactophylla (Tuck.) Trevis.
Accepted Name: Heterodermia galactophylla

S Anaptychia hypoleuca (Muhl.) A.Massal.
Accepted Name: Heterodermia hypoleuca

M Anaptychia kaspica Gyeln.
Accepted Name: Anaptychia crinalis

M Anaptychia obscurata (Nyl.) Vain.
Accepted Name: Heterodermia neglecta
Comments: for records in ME

M Anaptychia palmatula auct.
Accepted Name: Anaptychia palmulata

5 Anaptychia palmulata (Michx.) Vainio
Accepted Name: Anaptychia palmulata
Common Name: Shaggy Fringe Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees and rocks
Conservation Status: R3
Comments: Old growth indicator
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: MAINE, FH

M Anaptychia setifera Räsänen
Accepted Name: Anaptychia crinalis

S Anaptychia speciosa (Wulfen) A.Massal.
Accepted Name: Heterodermia speciosa

S Anaptychia squamulosa Degel.
Accepted Name: Heterodermia squamulosa

6 Anzia colpodes (Ach.) Stizenb.
Accepted Name: Anzia colpodes
Common Name: Black-Foam Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Tree bark
Conservation Status: G3, R1
Comments: Old growth indicator
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

7 Arctoparmelia centrifuga (L.) Hale
Accepted Name: Arctoparmelia centrifuga
Common Name: Concentric Ring Lichen
NE Distribution: ME,NH,VT
Substrate: Acid rocks
Conservation Status: Common, nNE
Comments: Bare mountaintops
Reference: Tuckerman 1882, Hinds & Hinds 2007
Herbarium: MAINE, FH

8 Arctoparmelia incurva (Pers.) Hale
Accepted Name: Arctoparmelia incurva
Common Name: Sorediate Ring Lichen
NE Distribution: ME,NH,VT
Substrate: Acid rocks
Conservation Status: Uncommon, nNE
Comments: Alpine tundra
Reference: Tuckerman 1882, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Baeomyces byssoides (L.) Gaertn., G.Mey. & Schreb.
Accepted Name: Baeomyces rufus

9 Baeomyces carneus Flörke
Accepted Name: Baeomyces carneus
Common Name: Northern Beret Lichen
NE Distribution: ME,NH
Substrate: Moist soil
Conservation Status: R1
Comments: Two sites in ME
Reference: Thomson 1967, 1984
Herbarium: NY, WIS

M Baeomyces fungoides (Sw.) Ach.
Accepted Name: Dibaeis beaomyces

10 Baeomyces placophyllus Ach.
Accepted Name: Baeomyces placophyllus
Common Name: Carpet Beret Lichen
NE Distribution: ME,NH,MA
Substrate: Moist soil
Conservation Status: R1
Comments: Circumpolar
Reference: Hinds & Hinds 2007
Herbarium: MAINE

S Baeomyces roseus Pers.
Accepted Name: Dibaeis beaomyces

11 Baeomyces rufus (Hudson) Rebent.
Accepted Name: Baeomyces rufus
Common Name: Brown Beret Lichen
NE Distribution: ME,NH,VT,MA,RI
Substrate: Moist soil and rocks
Conservation Status: Fairly common
Comments: Circumpolar
Reference: Eckfeldt 1894, Thomson 1967
Herbarium: MAINE, FH

S Biatora anthracophila (Nyl.) Hafellner
Accepted Name: Carbonicola anthracophila

S Botrydina viridis (Ach.) Redhead & Kuyper
Accepted Name: Lichenomphalia hudsoniana

12 Bryocaulon divergens (Ach.) Kärnefelt
Accepted Name: Bryocaulon divergens
Common Name: Northern Foxhair Lichen
NE Distribution: ME (Katahdin)
Substrate: Arctic soils
Conservation Status: RH
Comments: 4,600' on Katahdin
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: UPS

13** Bryoria americana (Motyka) Holien
Accepted Name: Bryoria americana
Common Name: American Horsehair Lichen
NE Distribution: ME,VT,MA
Substrate: Conifers in moist habitats
Conservation Status: R3
Comments: In NA checklist: ssp. americana
Reference: Myllys et al. 2011 (molecular evidence for full species)
Herbarium: MAINE

M Bryoria capillaris (Ach.) Brodo & D.Hawksw.
Accepted Name: Bryoria pikei

14 Bryoria friabilis Brodo & D.Hawksw.
Accepted Name: Bryoria friabilis
Common Name: Friable Horsehair Lichen
NE Distribution: ME (Sagadahoc Co.)
Substrate: Conifers
Conservation Status: R1
Comments: Valid species (Valmala et al. 2014)
Reference: Brodo & Hawksworth 1977, Hinds & Hinds 2007
Herbarium: MSC

15 Bryoria furcellata (Fr.) Brodo & D.Hawksw.
Accepted Name: Bryoria furcellata
Common Name: Burred Horsehair Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Conifers (rocks)
Conservation Status: Common
Comments: =Alectoria nidulifera
Reference: Harvey 1894, Brodo & Hawksworth 1977
Herbarium: MAINE, FH

16 Bryoria fuscescens (Gyelnik) Brodo & D.Hawksw.
Accepted Name: Bryoria fuscescens
Common Name: Pale-Footed Horsehair Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Conifers (rocks)
Conservation Status: R3
Comments: includes B. lanestris
Reference: Brodo & Hawksworth 1977, Hinds & Hinds 2007
Herbarium: MAINE, FH

M Bryoria implexa (Hoffm.) Brodo & D.Hawksw.
Accepted Name: Bryoria kockiana

17 Bryoria kockiana Velmala, Myllys & Goward
Accepted Name: Bryoria kockiana
Common Name: Smooth Horsehair Lichen
NE Distribution: ME (Knox Co.)
Substrate: Conifers
Conservation Status: RH
Comments: =Bryoria pseudofuscescens var pikei
Reference: Brodo & Hawksworth 1977 (as B. implexa), Hinds & Hinds 2007
Herbarium: FH

S Bryoria lanestris (Ach.) Brodo & D.Hawksw.
Accepted Name: Bryoria fuscescens

18 Bryoria nadvornikiana (Gyelnik) Brodo & D.Hawksw.
Accepted Name: Bryoria nadvornikiana
Common Name: Spiny Gray Horsehair Lichen
NE Distribution: ME,NH,VT
Substrate: Conifers (rocks)
Conservation Status: Fairly common
Comments: On alpine rocks on Katahdin
Reference: Degelius 1940, Brodo & Hawksworth 1977
Herbarium: MAINE, FH

19 Bryoria pikei Brodo & D.Hawksw.
Accepted Name: Bryoria pikei
Common Name: Smooth Gray Horsehair Lichen
NE Distribution: ME,NH,VT
Substrate: Conifers
Conservation Status: R3
Comments: =Bryoria capillaris
Reference: Brodo & Hawksworth 1977 (as B. capillaris), Hinds & Hinds 2007
Herbarium: MAINE, FH

20 Bryoria salazinica Brodo & D.Hawksw.
Accepted Name: Bryoria salazinica
Common Name: Smooth Horsehair Lichen
NE Distribution: ME,MA
Substrate: Conifers
Conservation Status: G2, R1
Comments: Two from ME, Wash. Co
Reference: Brodo & Hawksworth 1977, Hinds & Hinds 2007
Herbarium: FH, US

21 Bryoria trichodes (Michx.) Brodo & D.Hawksw.
Accepted Name: Bryoria trichodes
Common Name: Horsehair Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Conifers
Conservation Status: R3
Comments: Sensitive to air pollution
Reference: Brodo & Hawksworth 1977, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Bryoria trichodes ssp. americana (Motyka) Brodo & D.Hawksw.
Accepted Name: Bryoria americana

22 Candelaria concolor (Dicks.) Stein
Accepted Name: Candelaria concolor
Common Name: Candleflame Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Bark (rock)
Conservation Status: Common
Comments: Nutrient-rich substrates
Reference: Parlin 1923, Hinds & Hinds 2007
Herbarium: MAINE, FH

23 Candelaria fibrosa (Fr.) Müll. Arg.
Accepted Name: Candelaria fibrosa
Common Name: Buttoned Candleflame Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Bark (rock)
Conservation Status: Uncommon
Comments: Pantropical species
Reference: Parlin 1939, Hinds & Hinds 2007
Herbarium: MAINE, FH

24 Carbonicola anthracophila (Nyl.) Bendiksby & Timdal
Accepted Name: Carbonicola anthracophila
Common Name: Small Clam Lichen
NE Distribution: ME,NH,VT,MA,RI
Substrate: Conifer stumps
Conservation Status: Uncommon
Comments: =Hypocenomyce anthracophila
Reference: Hinds & Hinds 2007
Herbarium: NY, MIN

25 Cetraria aculeata (Schreb.) Fr.
Accepted Name: Cetraria aculeata
Common Name: Spiny Heath Lichen
NE Distribution: ME,NH
Substrate: Soil
Conservation Status: Uncommon
Comments: Both alpine & coastal soils
Reference: Eckfeldt 1894, Kärnefelt 1986
Herbarium: MAINE, FH

26 Cetraria arenaria Kärnefelt
Accepted Name: Cetraria arenaria
Common Name: Sand-Loving Iceland Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Sandy soil
Conservation Status: Locally common
Comments: Most common along coast
Reference: Kärnefelt 1979, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Cetraria aurescens Tuck.
Accepted Name: Ahtiana aurescens

S Cetraria ciliaris Ach.
Accepted Name: Tckermannopsis ciliaris

S Cetraria cucullata (Belardi) Ach.
Accepted Name: Flavocetraria cucullata

S Cetraria culbersonii Hale
Accepted Name: Melanelia culbersonii

S Cetraria delisei (Bory ex Schaer.) Nyl.
Accepted Name: Cetrariella delisei

27** Cetraria ericetorum Opiz
Accepted Name: Cetraria ericetorum
Common Name: Iceland Lichen
NE Distribution: ME (Hancock Co.)
Substrate: Soil
Conservation Status: R1
Comments: Summit of Schoodic Mt.
Reference: Starr Virtual Herbarium, NY Botanical Garden
Herbarium: NY, Lendemer, 2012

S Cetraria fendleri (Nyl.) Tuck.
Accepted Name: Tuckermanella fendleri

S Cetraria halei W.L.Culb. & C.F.Culb.
Accepted Name: Tuckermannopsis americana

S Cetraria hepatizon (Ach.) Vain.
Accepted Name: Melanelia hepatizon

28** Cetraria islandica (L.) Ach. ssp. islandica
Accepted Name: Cetraria islandica
Common Name: True Iceland Lichen
NE Distribution: ME
Substrate: Soil
Conservation Status: R1
Comments: Great Wass Island
Reference: CNALH, Kärnefelt 1979
Herbarium: CANL, collected by Sharnoff, ID'd by Brodo

29 Cetraria islandica ssp. crispiformis (Räsänen) Kärnefelt
Accepted Name: Cetraria islandica
Common Name: True Iceland Lichen
NE Distribution: ME,NH
Substrate: Alpine tundra
Conservation Status: R2
Comments: Above treeline
Reference: Harvey 1894, Kärnefelt 1979
Herbarium: MAINE

30 Cetraria laevigata Rass.
Accepted Name: Cetraria laevigata
Common Name: Smooth Iceland Lichen
NE Distribution: ME,NH,VT
Substrate: Alpine tundra
Conservation Status: Locally common
Comments: most common Cetraria in alpine
Reference: Kärnefelt 1979, Hinds & Hinds 2007
Herbarium: MAINE, FH

31 Cetraria muricata (Ach.) Eckfeldt
Accepted Name: Cetraria muricata
Common Name: Spiny Heath Lichen
NE Distribution: ME,NH
Substrate: Soil
Conservation Status: Uncommon
Comments: Both alpine & coastal soils
Reference: Kärnefelt 1986, Hinds & Hinds 2007
Herbarium: MAINE, CANL

S Cetraria nivalis (L.) Ach.
Accepted Name: Flavocetraria nivalis

S Cetraria oakesiana Tuck.
Accepted Name: Usnocetraria oakesiana

S Cetraria orbata (Nyl.) Fink
Accepted Name: Tuckermannopsis orbata

S Cetraria pinastri (Scop.) Gray
Accepted Name: Vulpicida pinastri

S Cetraria sepincola (Ehrh.) Ach.
Accepted Name: Tuckermannopsis sepincola

S Cetraria viridis Schwein ex Halsey
Accepted Name: Vulpicida viridis

S Cetrariastrum catawbiense (Degel.) W.L.Culb. & C.F.Culb.
Accepted Name: Hypotrachyna catawbiensis

32 Cetrariella delisei (Bory ex Schaerer) Kärnefelt
Accepted Name: Cetrariella delisei
Common Name: Snowbed Iceland Lichen
NE Distribution: ME,NH,VT
Substrate: Alpine tundra
Conservation Status: R2
Comments: Late snow areas
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

33 Cetrelia chicitae (W.L.Culb.) W.L.Culb. & C.F.Culb
Accepted Name: Cetrelia chicitae
Common Name: Sea-Storm Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees and rocks
Conservation Status: R3
Comments: Old-growth indicator species
Reference: Culberson 1965, Hinds & Hinds 2007
Herbarium: MAINE, FH

34 Cetrelia olivetorum (Nyl.) W.L.Culb. & C.F.Culb
Accepted Name: Cetrelia olivetorum
Common Name: Sea-Storm Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Trees and rocks
Conservation Status: Fairly common
Comments: Old-growth indicator species
Reference: Culberson 1962, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Cladina alpestris (L.) Nyl.
Accepted Name: Cladonia stellaris

S Cladina arbuscula (Wallr.) Hale & W.L.Culb.
Accepted Name: Cladonia arbuscula

S Cladina mitis (Sandst.) Hustich
Accepted Name: Cladonia arbuscula

S Cladina rangiferina (L.) Nyl.
Accepted Name: Cladonia rangiferina

S Cladina stellaris (Opiz) Brodo
Accepted Name: Cladonia stellaris

S Cladina stygia (Fr.) Ahti
Accepted Name: Cladonia stygia

S Cladina submitis (A.Evans) Hale & W.L.Culb.
Accepted Name: Cladonia submitis

S Cladina subtenuis (Abbayes) Hale & W.L.Culb.
Accepted Name: Cladonia subtenuis

S Cladina terrae-novae (Ahti) Hale & W.L.Culb.
Accepted Name: Cladonia terrae-novae

35 Cladonia acuminans R.C.Harris
Accepted Name: Cladonia acuminans
Common Name: Branching Pebblehorn
NE Distribution: ME,MA,CT
Substrate: Calcareous soil
Conservation Status: Uncommon
Comments: Split from C.acuminata
Reference: CNALH
Herbarium: MAINE, MICH (as Cladonia norlinii)

36 Cladonia acuminata (Ach.) Norrlin
Accepted Name: Cladonia acuminata
Common Name: Branching Pebblehorn
NE Distribution: ME,NH,VT,CT
Substrate: Calcareous soil
Conservation Status: Uncommon
Comments: 4 ME specimens C. acuminata s.s.
Reference: Parlin 1935, Hinds & Hinds 2007
Herbarium: MAINE

S Cladonia alpestris (L.) Rabenh.
Accepted Name: Cladonia stellaris

37 Cladonia amaurocraea (Flörke) Schaer.
Accepted Name: Cladonia amaurocraea
Common Name: Quill Lichen
NE Distribution: ME,NH,VT
Substrate: Soil
Conservation Status: Locally common
Comments: In ME only in mountains
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

38 Cladonia apodocarpa Robbins
Accepted Name: Cladonia apodocarpa
Common Name: Stalkless Cladonia
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil
Conservation Status: Rare in ME
Comments: Madison, Somerset Co
Reference: Parlin 1935, Hinds & Hinds 2007
Herbarium: MAINE

39 Cladonia arbuscula (Wallr.) Flot. ssp. arbuscula
Accepted Name: Cladonia arbuscula
Common Name: Reindeer Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil
Conservation Status: Common
Comments: =Cladina arbuscula
Reference: Parlin 1935, Hinds & Hinds 2007, as ssp. squarrosa
Herbarium: MAINE, FH

40 Cladonia arbuscula ssp. mitis (Sandst.) Ruoss
Accepted Name: Cladonia arbuscula
Common Name: Reindeer Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Soil
Conservation Status: Common
Comments: =Cladina mitis
Reference: Parlin 1935, Ahti 1961
Herbarium: MAINE, FH

S Cladonia arbuscula ssp. squarrosa (Wallr.) Ruoss
Accepted Name: Cladonia arbuscula
Common Name: ssp. arbuscula

41 Cladonia atlantica A.Evans
Accepted Name: Cladonia atlantica
Common Name: Atlantic Cladonia
NE Distribution: ME,MA,RI,CT
Substrate: Soil
Conservation Status: Along coast
Comments: Endemic to eastern NA
Reference: Sullivan 1996, Hinds & Hinds 2007
Herbarium: MAINE, MIN

S Cladonia bacillaris (Ach.) Genth
Accepted Name: Cladonia macillenta

42 Cladonia borealis S.Stenroos
Accepted Name: Cladonia borealis
Common Name: Western Boreal Pixie-Cup
NE Distribution: ME (Mt. Desert I)
Substrate: Soil
Conservation Status: RH
Comments: Collected by Eckfeldt in 1888
Reference: Hinds & Hinds 1998, Hinds & Hinds 2007
Herbarium: NEBC

43 Cladonia boryi Tuck.
Accepted Name: Cladonia boryi
Common Name: Fishnet Cladonia
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Sandy soil and bogs
Conservation Status: R3
Comments: Still common in coastal ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

44 Cladonia botrytes (K.Hagen) Willd.
Accepted Name: Cladonia botrytes
Common Name: Wood Soldiers
NE Distribution: ME
Substrate: Old conifer wood
Conservation Status: R1
Comments: Unusual in its usual substrate
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: MAINE

45 Cladonia brevis (Sandst.) Sandst.
Accepted Name: Cladonia brevis
Common Name: Short Peg Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Soil
Conservation Status: Uncommon
Comments: 3 known sites in ME
Reference: Evans 1932, Hinds & Hinds 2007
Herbarium: MAINE, FH

46 Cladonia caespiticia (Pers.) Flörke
Accepted Name: Cladonia caespiticia
Common Name: Stubby-Stalked Cladonia
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil, logs, base of trees
Conservation Status: Common
Comments: More common in southern ME
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

M Cladonia calycantha auct.
Accepted Name: Cladonia rappii

S Cladonia capitata (Michx) Spreng.
Accepted Name: Cladonia peziziformis

M Cladonia carassensis Vain.
Accepted Name: Cladonia crispata

47 Cladonia cariosa (Ach.) Sprengel
Accepted Name: Cladonia cariosa
Common Name: Split-Peg Soldiers
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil
Conservation Status: Fairly common
Comments: Central & northern ME
Reference: Fink 1906, Hinds & Hinds 2007
Herbarium: MAINE, FH

48 Cladonia carneola (Fr.) Fr.
Accepted Name: Cladonia carneola
Common Name: Crowned Pixie-Cup
NE Distribution: ME,NH
Substrate: Soil, rotting logs
Conservation Status: R1
Comments: 2 sites in ME
Reference: Thomson 1968, Hinds & Hinds 2007
Herbarium: MAINE, NY

M Cladonia caroliniana Tuck.
Accepted Name: Cladonia dimorphoclada

49 Cladonia cenotea (Ach.) Schaerer
Accepted Name: Cladonia cenotea
Common Name: Powdered Funnel Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil, rotting logs
Conservation Status: Common
Comments: More common north in ME
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Cladonia cervicornis (Ach.) Flotow ssp. verticillata
Accepted Name: Cladonia verticillata

50 Cladonia chlorophaea (Flörke ex Sommerf.) Sprengel
Accepted Name: Cladonia chlorophaea
Common Name: Mealy Pixie-Cup
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil, logs, base of trees
Conservation Status: Common
Comments: Throughout ME
Reference: Bowler 1972, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Cladonia clavulifera Vain.
Accepted Name: Cladonia sobolescens

51 Cladonia coccifera (L.) Willd.
Accepted Name: Cladonia coccifera
Common Name: Eastern Boreal Pixis-Cup
NE Distribution: ME,NH,VT,MA
Substrate: Soil, mossy rocks
Conservation Status: Locally common
Comments: Boreal & alpine ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, FH

52 Cladonia coniocraea (Flörke ) Sprengel
Accepted Name: Cladonia coniocraea
Common Name: Common Powderhorn
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Tree bases, rotting logs
Conservation Status: Common
Comments: More common northward
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

53 Cladonia conista A.Evans
Accepted Name: Cladonia conista
Common Name: Mealy Pixie-Cup
NE Distribution: ME,VT,CT
Substrate: Soil, logs, base of trees
Conservation Status: Uncommon
Comments: 3 known sites in ME
Reference: Parlin 1935, Hinds & Hinds 2007, as C. humilis
Herbarium: MAINE, NY

54 Cladonia cornuta (L.) Hoffm.
Accepted Name: Cladonia cornuta
Common Name: Bighorn Cladonia
NE Distribution: ME,NH,VT
Substrate: Soil, rotting logs
Conservation Status: Fairly common
Comments: Central & northern ME
Reference: Parlin 1939, Hinds & Hinds 2007
Herbarium: MAINE, FH

55 Cladonia crispata (Ach.) Flotow
Accepted Name: Cladonia crispata
Common Name: Organ-Pipe Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil, rotting logs
Conservation Status: Common
Comments: One form mostly in bogs
Reference: Riddle 1909, Hinds & Hinds 2007
Herbarium: MAINE, FH

56 Cladonia cristatella Tuck.
Accepted Name: Cladonia cristatella
Common Name: British Soldiers
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil, logs, base of trees
Conservation Status: Common
Comments: Throughout ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

57 Cladonia cryptochlorophaea Asah.
Accepted Name: Cladonia cryptochlorophaea
Common Name: Mealy Pixie-Cup
NE Distribution: ME,NH,VT,MA,CT
Substrate: Soil, logs, base of trees
Conservation Status: Common
Comments: ID requires TLC
Reference: Bowler 1972, Hinds & Hinds 2007
Herbarium: US, MIN

58 Cladonia cylindrica (A.Evans) A.Evans
Accepted Name: Cladonia cylindrica
Common Name: Cylindrical Powderhorn
NE Distribution: ME,NH,VT,MA,CT
Substrate: Logs, tree base, (rocks)
Conservation Status: Uncommon
Comments: Past ID sometimes incorrect
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, MIN

59* Cladonia dahliana Kristinsson
Accepted Name: Cladonia dahlina
Common Name: Lime-Loving Thatch Lichen
NE Distribution: ME,MA
Substrate: Calcareous soil
Conservation Status: One site in ME
Comments: split from Cladonia sympycarpa
Reference: CNALH, Hinds & Hinds 2007
Herbarium: MAINE, legit and det by J. & P. Hinds

60 Cladonia decorticata (Flörke) Sprengel
Accepted Name: Cladonia decorticata
Common Name: Branching Pebblehorn
NE Distribution: ME,NH,VT,CT
Substrate: Soil
Conservation Status: Uncommon
Comments: Circumpolar
Reference: Parlin 1935, Hinds & Hinds 2007
Herbarium: MAINE, FH

61 Cladonia deformis (L.) Hoffm.
Accepted Name: Cladonia deformis
Common Name: Lesser Sulphurcup
NE Distribution: ME,NH,VT,MA,CT
Substrate: Soil, logs, base of trees
Conservation Status: Fairly common
Comments: Circumpolar
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

62 Cladonia digitata (L.) Hoffm.
Accepted Name: Cladonia digitiata
Common Name: Finger Pixis-Cup
NE Distribution: ME,NH,VT,MA,CT
Substrate: Logs, tree bases, soil
Conservation Status: Fairly common
Comments: Squamulose forms common
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

63 Cladonia dimorphoclada Robbins
Accepted Name: Cladonia dimorphoclada
Common Name: Prostrate Thorn Cladonia
NE Distribution: ME,VT,MA,CT
Substrate: Soil
Conservation Status: Uncommon
Comments: =C. caroliniana
Reference: Ahti 1973, Hinds & Hinds 2007
Herbarium: NY, US

64 Cladonia ecmocyna Leighton ssp. ecmocyna
Accepted Name: Cladonia ecmocyna
Common Name: Alpine Cladonia
NE Distribution: ME,NH
Substrate: Soil in late snowbanks
Conservation Status: R1
Comments: Alpine zone of Katahdin
Reference: Evans 1952, Hinds & Hinds 2007
Herbarium: MAINE

65 Cladonia farinacea (Vainio) A.Evans
Accepted Name: Cladonia farinacea
Common Name: Powdery Forked Cladonia
NE Distribution: ME,NH,VT,MA,CT
Substrate: Soil
Conservation Status: Uncommon
Comments: 5 specmens known from ME
Reference: Sullivan 1996, Hinds & Hinds 2007
Herbarium: MAINE, NY

66 Cladonia fimbriata (L.) Fr.
Accepted Name: Cladonia fimbriata
Common Name: Trumpet Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil, logs, base of trees
Conservation Status: Common
Comments: Throughout ME
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

67 Cladonia floerkeana (Fr.)
Accepted Name: Cladonia floekeana
Common Name: Gritty British Soldiers
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil and rotting logs
Conservation Status: Fairly common
Comments: Worldwide distribution
Reference: Torrey 1934, Hinds & Hinds 2007
Herbarium: MAINE, NY

68* Cladonia floridana Vain.
Accepted Name: Cladonia floridana
Common Name: Bramble Cladonia
NE Distribution: ME,MA,RI
Substrate: Sandy soil
Conservation Status: Locally common
Comments: Coastal in ME
Reference: CNALH, Hinds & Hinds 2007
Herbarium: FH, CANL, leg or det by Sam Hammer

69 Cladonia furcata (Hudson) Schrader
Accepted Name: Cladonia furcata
Common Name: Many-Forked Cladonia
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil
Conservation Status: Common
Comments: Throughout ME
Reference: Merrill 1909a, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Cladonia gonecha (Ach.) Asah.
Accepted Name: Cladonia sulphurina

70 Cladonia gracilis (L.) Willd. ssp. gracilis
Accepted Name: Cladonia gracilis
Common Name: Smooth Cladonia
NE Distribution: ME,NH,VT
Substrate: Soil and rotting logs
Conservation Status: Locally common
Comments: Boreal & alpine ME
Reference: Hinds et al. 2009, Ahti 1980
Herbarium: MAINE

71 Cladonia gracilis ssp. elongata (Jacq.) Vainio
Accepted Name: Cladonia gracilis
Common Name: Smooth Cladonia
NE Distribution: ME (Katahdin)
Substrate: Soil
Conservation Status: One site in ME
Comments: Formerly ssp. nigripes
Reference: Ahti 1980 (as ssp nigripes), specimen collected in 1847
Herbarium: FH

72 Cladonia gracilis ssp. turbinata (Ach.) Ahti
Accepted Name: Cladonia gracilis
Common Name: Smooth Cladonia
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil and rotting logs
Conservation Status: Common
Comments: boreal & temperate ME
Reference: Riddle 1909, Hinds & Hinds 2007
Herbarium: MAINE, FH

73 Cladonia grayi G.Merr. ex Sandst.
Accepted Name: Cladonia grayii
Common Name: Mealy Pixie-Cup
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil, logs, base of trees
Conservation Status: Common
Comments: ID requires TLC
Reference: Parlin 1935, Hinds & Hinds 2007
Herbarium: MAINE, NY

M Cladonia humilis (With.) J. R. Laundon
Accepted Name: Cladonia conista

74 Cladonia incrassata Flörke
Accepted Name: Cladonia incrassata
Common Name: Powder-Foot British Soldiers
NE Distribution: ME,VT,MA,CT
Substrate: Log,stump,base of tree
Conservation Status: Uncommon
Comments: Usually not on soil
Reference: Merrill 1924, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Cladonia innominata Lendemer
Accepted Name: Cladonia conista

75 Cladonia macilenta Hoffm. var. macilenta
Accepted Name: Cladonia macilenta
Common Name: Scarlet Pin Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil, logs, base of trees
Conservation Status: Fairly common
Comments: Throughout ME
Reference: Riddle 1909, Hinds & Hinds 2007
Herbarium: MAINE

76 Cladonia macilenta var. bacillaris (Ach.) Schaer.
Accepted Name: Cladonia macilenta
Common Name: Scarlet Pin Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil, logs, base of trees
Conservation Status: Common
Comments: Throughout ME
Reference: Riddle 1909, Hinds & Hinds 2007
Herbarium: MAINE, FH

77 Cladonia macrophylla (Schaer.) Stenh.
Accepted Name: Cladonia macrophylla
Common Name: Peltate Peg Lichen
NE Distribution: ME (Katahdin)
Substrate: Soil
Conservation Status: R1
Comments: 3 sites on Katahdin
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE

78 Cladonia macrophyllodes Nyl.
Accepted Name: Cladonia macrophyllodes
Common Name: (Vainio) Poelt
NE Distribution: ME,NH
Substrate: Soil
Conservation Status: R1
Comments: 3 sites on Katahdin
Reference: Hinds & Hinds 2007
Herbarium: MAINE

S Cladonia major (K.G.Hagen) Sandst.
Accepted Name: Cladonia fimbriata

79 Cladonia mateocyatha Robbins
Accepted Name: Cladonia mateocyatha
Common Name: Mixed-Up Pyxie-Cup
NE Distribution: ME,NH,VT,MA,CT
Substrate: Soil
Conservation Status: Rare in Maine
Comments: Sometimes only squamules
Reference: Pitman 1932, Hinds & Hinds 2007
Herbarium: MAINE, MIN

80 Cladonia maxima (Asah.) Ahti
Accepted Name: Cladonia maxima
Common Name: Giant Cladonia
NE Distribution: ME,NH,MA
Substrate: Soil
Conservation Status: Locally common
Comments: Coastal & mountains of ME
Reference: Ahti 1980, Hinds & Hinds 2007
Herbarium: MAINE, FH

81 Cladonia merochlorophaea Asah.
Accepted Name: Cladonia merochlorophaea
Common Name: Mealy Pixie-Cup
NE Distribution: ME,NH,VT,CT
Substrate: Soil, logs, base of trees
Conservation Status: Fairly common
Comments: ID requires TLC
Reference: Bowler 1972, Hinds & Hinds 2007
Herbarium: MAINE, NY

S Cladonia metacorallifera Asah.
Accepted Name: Cladonia straminea

82 Cladonia multiformis G.Merr.
Accepted Name: Cladonia multiformis
Common Name: Sieve Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil
Conservation Status: Fairly common
Comments: Throughout ME
Reference: Merrill 1909a, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Cladonia nemoxyna (Ach.) Arnold
Accepted Name: Cladonia rei

S Cladonia norrlinii Vain.
Accepted Name: Cladonia acuminata

83 Cladonia ochrochlora Flörke
Accepted Name: Cladonia ochrochlora
Common Name: Smooth-Footed Powderhorn
NE Distribution: ME,NH,VT,MA,CT
Substrate: Soil, rotting logs
Conservation Status: Common
Comments: Throughout ME
Reference: Torrey 1934, Hinds & Hinds 2007
Herbarium: MAINE, FH

84 Cladonia parasitica (Hoffm.) Hoffm.
Accepted Name: Cladonia parasitica
Common Name: Fence-Rail Cladonia
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Logs, fence rails,stumps
Conservation Status: Uncommon
Comments: Sometimes only squamules
Reference: Riddle 1909, Hinds & Hinds 2007
Herbarium: MAINE, FH

85 Cladonia peziziformis (With.) J. R. Laundon
Accepted Name: Cladonia peziziformis
Common Name: Turban Lichen
NE Distribution: ME,VT,MA,CT
Substrate: Soil
Conservation Status: 3 sites in ME
Comments: =C. capitata
Reference: Thomson 1968, Hinds & Hinds 2007
Herbarium: MAINE, FH

86 Cladonia phyllophora Hoffm.
Accepted Name: Cladonia phyllophora
Common Name: Felt Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil
Conservation Status: Fairly common
Comments: Throughout ME
Reference: Torrey 1934, Hinds & Hinds 2007
Herbarium: FH, NY

S Cladonia pityrea (Flörke) Fr.
Accepted Name: Cladonia ramulosa

87 Cladonia pleurota (Flörke) Schaer.
Accepted Name: Cladonia pleurota
Common Name: Red-Fruited Pixie-Cup
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil
Conservation Status: Common
Comments: Throughout ME
Reference: Pitman 1932, Hinds & Hinds 2007
Herbarium: MAINE, FH

88 Cladonia pocillum (Ach.) Grognot
Accepted Name: Cladonia pocillum
Common Name: Rosette Pixie-Cup
NE Distribution: ME,VT,CT
Substrate: Calcareous soil
Conservation Status: Locally common
Comments: Rare in ME - Knox Co. only
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, FH

89 Cladonia polycarpoides Nyl.
Accepted Name: Cladonia polycarpoides
Common Name: Thatched Peg Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Sandy soil
Conservation Status: Fairly common
Comments: Southern & central ME
Reference: Merrill 1909b, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Cladonia pseudorangiformis Asah.
Accepted Name: Cladonia wainioi

90 Cladonia pyxidata (L.) Hoffm.
Accepted Name: Cladonia pyxidata
Common Name: Pebbled Pixie-Cup
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil, rotting logs
Conservation Status: Common
Comments: Throughout ME
Reference: Cummings & Seymour 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

91 Cladonia ramulosa (With.) J. R. Laundon
Accepted Name: Cladonia ramulosa
Common Name: Bran Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil, rotting logs
Conservation Status: Fairly common
Comments: Formerly, C. pityrea
Reference: Riddle 1909, Hinds & Hinds 2007
Herbarium: MAINE, FH

92 Cladonia rangiferina (L.) F.H.Wigg.
Accepted Name: Cladonia rangiferina
Common Name: Gray Reindeer Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil
Conservation Status: Common
Comments: Throughout ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

93 Cladonia rappii A.Evans
Accepted Name: Cladonia rappii
Common Name: Slender Ladder Lichen
NE Distribution: ME,MA
Substrate: Sandy soil and bogs
Conservation Status: R1
Comments: 2 sites in ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE

94 Cladonia rei Schaer.
Accepted Name: Cladonia rei
Common Name: Wand Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Sandy soil, rotting logs
Conservation Status: Common
Comments: Throughout ME
Reference: Pitman 1932, Hinds & Hinds 2007
Herbarium: MAINE, FH

95 Cladonia scabriuscula (Delise) Nyl.
Accepted Name: Cladonia scabriuscula
Common Name: Mealy Forked Cladonia
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil
Conservation Status: Common
Comments: Throughout ME
Reference: Riddle 1909, Hinds & Hinds 2007
Herbarium: MAINE, FH

96 Cladonia sobolescens Nyl. ex Vain.
Accepted Name: Cladonia sobolescens
Common Name: Peg Lichen
NE Distribution: ME,VT,MA,RI,CT
Substrate: Soil
Conservation Status: Uncommon
Comments: 4 sites known in ME
Reference: Parlin 1935, Hinds & Hinds 2007
Herbarium: MAINE, NY

97 Cladonia squamosa Hoffm.
Accepted Name: Cladonia squamosa
Common Name: Dragon Cladonia
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil, rotting logs
Conservation Status: Common
Comments: Throughout ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

98 Cladonia stellaris (Opiz) Pouzar & Vezda
Accepted Name: Cladonia stellaris
Common Name: Star-Tipped Reindeer Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil
Conservation Status: Common
Comments: Throughout ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

99 Cladonia straminea (Sommerf.) Flörke
Accepted Name: Cladonia straminea
Common Name: Dragon Pixie-Cup
NE Distribution: ME,NH,VT
Substrate: Soil
Conservation Status: R2
Comments: =C. metacorallifera
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE

100 Cladonia strepsilis (Ach.) Grognot
Accepted Name: Cladoniia strepsilis
Common Name: Olive Cladonia
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil
Conservation Status: Fairly common
Comments: Primarily coastal in ME
Reference: Torrey 1934, Hinds & Hinds 2007
Herbarium: MAINE, NY

101 Cladonia stygia (Fr.) Ruoss
Accepted Name: Cladonia stygia
Common Name: Black-Footed Reindeer Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Soil
Conservation Status: Locally common
Comments: Alpine sites & bogs in ME
Reference: Torrey 1938, Hinds & Hinds 2007
Herbarium: MAINE, FH

102 Cladonia submitis A.Evans
Accepted Name: Cladonia submitis
Common Name: Dune Reindeer Lichen
NE Distribution: ME,NH,MA,RI,CT
Substrate: Sandy soil
Conservation Status: Locally common
Comments: Two sites in southern ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, FH

M Cladonia subsubulata Nyl.
Accepted Name: Cladonia crispata

103 Cladonia subtenuis (Abbayes) Mattick
Accepted Name: Cladonia subtenuis
Common Name: Dixie Reindeer Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil, stumps
Conservation Status: Common, sNE
Comments: Found in southern ME
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: MAINE, FH

104 Cladonia subulata (L.) F.H.Wigg.
Accepted Name: Cladonia subulata
Common Name: Antlered Powderhorn
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil, rotting logs
Conservation Status: Uncommon
Comments: Two sites in ME
Reference: Parlin 1935, Hinds & Hinds 2007
Herbarium: MAINE, FH

105 Cladonia sulphurina (Michx.) Fr.
Accepted Name: Cladonia sulphurina
Common Name: Greater Sulfur-Cup
NE Distribution: ME,NH,VT
Substrate: Soil, rotting logs
Conservation Status: Uncommon,nNE
Comments: Mountains & coast in ME
Reference: Sullivan 1996, Hinds & Hinds 2007
Herbarium: MAINE, MSC

S Cladonia sylvatica auct.
Accepted Name: Cladonia arbuscula

M Cladonia symphycarpa (Flörke) Fr.
Accepted Name: Cladonia dahliana
Comments: (for records in New England)

106 Cladonia terrae-novae Ahti
Accepted Name: Cladonia terrae-novae
Common Name: Newfoundland Reindeer Lichen
NE Distribution: ME,VT,MA
Substrate: Soil
Conservation Status: Uncommon
Comments: Usually coastal
Reference: Ahti 1961, Hinds & Hinds 2007
Herbarium: MAINE, CONN

107 Cladonia turgida Hoffm.
Accepted Name: Cladonia turgida
Common Name: Crazy-Scale Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil
Conservation Status: Common
Comments: Throughout ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

108 Cladonia uncialis (L.) F.H.Wigg.
Accepted Name: Cladonia uncialis
Common Name: Thorn Cladonia
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil
Conservation Status: Common
Comments: Throughout ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

109 Cladonia verticillata (Hoffm.) Schaer.
Accepted Name: Cladonia verticillata
Common Name: Ladder Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Sandy soil
Conservation Status: Common
Comments: =C. cervicornis
Reference: Fink 1904, Hinds & Hinds 2007
Herbarium: MAINE, FH

110 Cladonia wainioi Savicz
Accepted Name: Cladonia wainioi
Common Name: False Reindeer Lichen
NE Distribution: ME,NH
Substrate: Soil
Conservation Status: R1
Comments: Perhaps overlooked
Reference: Hinds & Hinds 2007
Herbarium: MAINE, ILLS

111 Coccocarpia palmicola (Sprengel) Arv. & D.J.Galloway
Accepted Name: Coccocarpia palmicola
Common Name: Salted Shell Lichen
NE Distribution: ME,VT,MA,CT
Substrate: Bark (mossy rocks)
Conservation Status: R1
Comments: Rare & coastal in ME
Reference: Arvidsson 1982, Hinds & Hinds 2007
Herbarium: FH

S Collema bachmanianum (Fink) Degel.
Accepted Name: Enchylium bachmanianum

S Collema conglomeratum (Malme) Degel.
Accepted Name: Enchylium conglomeratum

S Collema cyrtaspis Tuck.
Accepted Name: Enchylium conglomeratum

112 Collema flaccidum (Ach.) Ach.
Accepted Name: Collema flaccidum
Common Name: Squamiform Jelly-Lichen
NE Distribution: ME,VT,MA,CT
Substrate: Rocks & hardwood trees
Conservation Status: R2
Comments: Confused w C. subflaccidum
Reference: Merrill 1912, Hinds & Hinds 2007
Herbarium: MAINE, FH

113 Collema furfuraceum (Arnold) Du Rietz
Accepted Name: Collema furfuraceum
Common Name: Blistered Jelly-Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Bark (rocks)
Conservation Status: Uncommon
Comments: Widespread in ME
Reference: Degelius 1954, Hinds & Hinds 2007
Herbarium: MAINE, NBM

S Collema fuscovirens (With.) J. R. Laundon
Accepted Name: Lathagrium fuscovirens

114 Collema leptaleum Tuck.
Accepted Name: Collema leptaleum
Common Name: Crumpled Bat's Wing
NE Distribution: ME,NH,MA,RI
Substrate: Hardwood bark
Conservation Status: R1
Comments: 4 recent sites in ME
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Collema leucopeplum (Tuck,) Degel.
Accepted Name: Collema pulcellum

S Collema limosum (Ach.) Ach.
Accepted Name: Enchylium limosum

S Collema microptychium Tuck.
Accepted Name: Collema leptaleum

115 Collema nigrescens (Hudson) DC.
Accepted Name: Collema nigrescens
Common Name: Bat's Wing Lichen
NE Distribution: ME,NH,MA,RI,CT
Substrate: Bark
Conservation Status: R2
Comments: Old growth indicator
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Collema occultatum Bagl.
Accepted Name: Rostania occultata

S Collema polycarpon Hoffm.
Accepted Name: Enchylium polycarpon

116 Collema pulcellum Ach.
Accepted Name: Collema pulcellum
Common Name: Bat's Wing Lichen
NE Distribution: ME,MA,RI
Substrate: Bark
Conservation Status: R1
Comments: 2 recent sites in ME
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: MAINE, CANL

117 Collema subflaccidum Degel.
Accepted Name: Collema subflaccidum
Common Name: Common Tree-Jelly
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Bark (rock)
Conservation Status: R3
Comments: Old growth indicator
Reference: Degelius 1954, Hinds & Hinds 2007
Herbarium: MAINE, FH

M Collema subfurvum sensu Degelius
Accepted Name: Collema subflaccidum

S Collema tenax (Sw.) Ach.
Accepted Name: Enchylium tenax

S Collema tuniforme (Ach.) Ach.
Accepted Name: Lethagrium fuscovirens

S Collema undulatum Laurer ex Flot.
Accepted Name: Lathagrium undulatum

S Coriscium viride (Ach.) Vain.
Accepted Name: Lichenomphalia hudsoniana

118** Cystocoleus ebeneus (Dillwyn) Thwaites
Accepted Name: Cystocoleus ebeneus
Common Name: Rock Hair
NE Distribution: ME,MA
Substrate: Humid rock faces
Conservation Status: R1
Comments: One ME site, Knox Co.
Reference: CNALH, Brodo et al. 2001
Herbarium: MAINE, collected by J. Penalosa - Vinalhaven I.

S Degelia plumbea (Lightf.) P.M.Jorg. & P.James
Accepted Name: Pectenea plumbea

119 'Dendriscocaulon' intriculatum (Nyl.) Henssen
Accepted Name: "Dendriscocaulon" intriculatum
Common Name: Olive-Thorn Lichen
NE Distribution: ME,NH,MA
Substrate: Trees
Conservation Status: R2
Comments: Rare in ME
Reference: Hinds & Hinds 1998 (as D. umhausense), 2007
Herbarium: MAINE, UMFK

M Dendriscocaulon umhausense (Auersw.) Degel.
Accepted Name: "Dendriscocaulon" intriculatum

S Dermatocarpon fluviatile (Weber) Th.Fr.
Accepted Name: Dermatocarpon luridum

120 Dermatocarpon luridum (With.) J.R Laundon
Accepted Name: Dermatocaulon luridum
Common Name: Streamside Stippleback
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Submerged rocks
Conservation Status: Uncommon
Comments: Throughout ME
Reference: Merrill 1911b, Hinds & Hinds 2007
Herbarium: MAINE, FH

121 Dermatocarpon miniatum (L.) W.Mann s.s.
Accepted Name: Dermatocaulon miniatum
Common Name: Common Stippleback
NE Distribution: ME (and others?)
Substrate: Rocks
Conservation Status: Status unclear
Comments: Recently split into several spp.
Reference: Amtoft et al. 2008
Herbarium: MAINE, NY

122 Dermatocarpon moulinsii (Mont.) Zahlbr.
Accepted Name: Dermatocaulon moulinsii
Common Name: Shag Stippleback
NE Distribution: ME (Piscataquis Co.)
Substrate: Calcareous rock
Conservation Status: R1
Comments: Mt. Kineo in ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE

123 Dibaeis baeomyces (L.f.) Rambold & Hertel
Accepted Name: Dibaeis baeomyces
Common Name: Pink Earth
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Clay soils
Conservation Status: Common
Comments: Early colonizer of bare soil
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

124 Dirinaria frostii (Tuck.) Hale & Culb.
Accepted Name: Dirinaria frostii
Common Name: Frost's Smooth Rosette
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Noncalcareous rock
Conservation Status: RH
Comments: ME specimen not located
Reference: Tuckerman 1858, 1882, Hinds & Hinds 2007
Herbarium: unknown

125 Enchylium bachmanianum (Fink) Otálora, P.M Jørg. & Wedin
Accepted Name: Enchylium bachmanianum
Common Name: Bachman's Soil-Jelly
NE Distribution: ME,MA
Substrate: Calcareous soil
Conservation Status: R1
Comments: =Collema bachmanianum
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE

126 Enchylium conglomeratum (Hoffm.) Otálora, P.M.Jørg. & Wedin
Accepted Name: Enchylium conglomeratum
Common Name: Southern Tree-Jelly
NE Distribution: ME,NH,VT,MA,CT
Substrate: Moist hardwood bark
Conservation Status: R2
Comments: =Collema conglomeratum
Reference: Hinds & Hinds 2007
Herbarium: MAINE

127 Enchylium limosum (Ach.) Otálora, P.M.Jørg. & Wedin
Accepted Name: Enchylium limosum
Common Name: Smooth Soil-Jelly
NE Distribution: ME
Substrate: Calcareous soil
Conservation Status: RH
Comments: =Collema limosum
Reference: Hinds & Hinds 1998, 2007
Herbarium: FH

128 Enchylium polycarpon (Hoffm.) Otálora, P.M.Jørg. & Wedin
Accepted Name: Enchylium polycarpon
Common Name: Shaly Jelly Lichen
NE Distribution: ME,VT,CT
Substrate: Calcareous rock
Conservation Status: R1
Comments: =Collema polycarpon
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE

129 Enchylium tenax (Sw.) Gray
Accepted Name: Enchylium tenax
Common Name: Common Soil-Jelly
NE Distribution: ME,VT,MA,CT
Substrate: Calcareous soil
Conservation Status: Locally common
Comments: =Collema tenax
Reference: Parlin 1939, Hinds & Hinds 2007
Herbarium: MAINE, FH

130 Endocarpon pusillum Hedwig
Accepted Name: Endocarpon pusillum
Common Name: Scaly Stippled Lichen
NE Distribution: ME,MA,CT
Substrate: Calcareous rock
Conservation Status: R2
Comments: In ME only in Knox Co.
Reference: Hinds & Hinds 1998, 2007
Herbarium: FH

131 Ephebe hispidula (Ach.) Horw.
Accepted Name: Ephebe hispidula
Common Name: Spiny Rockshag
NE Distribution: ME (Piscataquis Co.)
Substrate: Damp siliceous rock
Conservation Status: R1
Comments: One site: Katahdin at ~3000'
Reference: Hinds & Hinds 2007
Herbarium: MAINE

132 Ephebe lanata (L.) Vainio
Accepted Name: Ephebe lanata
Common Name: Waterside Rockshag
NE Distribution: ME,NH,VT,MA,CT
Substrate: Damp siliceous rock
Conservation Status: R2
Comments: Scattered throughout ME
Reference: Sullivan 1996, Hinds & Hinds 2007
Herbarium: MAINE, FH

133** Ephebe perspinulosa Nyl.
Accepted Name: Ephebe perspinulosa
Common Name: Spiny Rockshag
NE Distribution: ME (Washington Co.)
Substrate: Seepage rock
Conservation Status: R1
Comments: One site known
Reference: CNALH, Schult 2004
Herbarium: MAINE, legit and det. by F. Anderson

134 Evernia mesomorpha Nyl.
Accepted Name: Evernia mesomorpha
Common Name: Boreal Oakmoss Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Tree bark and lignum
Conservation Status: Common
Comments: Abundant throughout ME
Reference: Howe 1911b, Hinds & Hinds 2007
Herbarium: MAINE, FH

135 Evernia prunastri (L.) Ach.
Accepted Name: Evernia prunastri
Common Name: Oakmoss Lichen
NE Distribution: ME,MA
Substrate: Tree bark and lignum
Conservation Status: R1
Comments: One site in ME - Knox Co.
Reference: Hinds & Hinds 2007
Herbarium: FH

S Fistulariella dilacerata (Hoffm.) Bowler & Rundel
Accepted Name: Ramalina dilacerata

S Fistulariella minuscula (Nyl.) Bowler & Rundel
Accepted Name: Ramalina dilacerata

S Fistulariella roesleri (Hochst ex Schaer.) Bowler & Rundel
Accepted Name: Ramalina roesleri

136 Flavocetraria cucullata (Bellardi) Kärnefelt & Thell
Accepted Name: Flavocetraria cucullata
Common Name: Curled Snow Lichen
NE Distribution: ME,NH,VT
Substrate: Soil
Conservation Status: Locally common
Comments: Alpine tundra
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

137 Flavocetraria nivalis (L.)Kärnefelt & Thell
Accepted Name: Flavocetraria nivalis
Common Name: Crinkled Snow Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Soil
Conservation Status: Locally common
Comments: Alpine tundra
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

138 Flavoparmelia baltimorensis (Gyelnik & Foriss) Hale
Accepted Name: Flavoparmelia baltimorensis
Common Name: Rock Greenshield
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Rocks
Conservation Status: Fairly common
Comments: Rare in ME south to central
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, WIS

139 Flavoparmelia caperata (L.) Hale
Accepted Name: Flavoparmelia caperata
Common Name: Common Greenshield
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees (rocks)
Conservation Status: Common
Comments: Throughout ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

140 Flavopunctelia flaventior (Stirton) Hale
Accepted Name: Flavopunctelia flaventior
Common Name: Speckled Greenshield
NE Distribution: ME,VT,MA
Substrate: Trees
Conservation Status: R2
Comments: Rare in ME 4 sites
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, PH

141 Flavopunctelia soredica (Nyl.) Hale
Accepted Name: Flavopunctelia soredica
Common Name: Powder-Edged Greenshield
NE Distribution: ME,VT,RI,CT
Substrate: Trees (rocks)
Conservation Status: R1
Comments: 2 sites in ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: TLE

S Foraminella ambigua (Wulfen) S.L.F.Mey.
Accepted Name: Parmeliopsis ambigua

S Foraminella hyperopta (Ach.) S.L.F.Mey.
Accepted Name: Parmeliopsis hyperopta

142 Fuscopannaria ahlneri (P.M.Jørg.) P.M.Jørg.
Accepted Name: Fuscopannaria ahlneri
Common Name: Foliose Shingle Lichen
NE Distribution: ME
Substrate: Conifers (rocks)
Conservation Status: R1
Comments: Old growth indicator
Reference: Jørgensen 1978, Hinds & Hinds 2007
Herbarium: MAINE

S Fuscopannaria hookerioides P.M.Jørg.
Accepted Name: Vahliella hookerioides

S Fuscopannaria leucophaea (Vahl) P.M.Jørg.
Accepted Name: Vahliella leucophaea

143 Fuscopannaria leucosticta (Tuck.) P.M.Jørg.
Accepted Name: Fuscopannaria leucosticta
Common Name: White-Rimmed Shingle Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Trees
Conservation Status: RH
Comments: Last collected in ME in 1953
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: FH, US

144 Fuscopannaria praetermissa (Nyl.) P.M.Jørg.
Accepted Name: Fuscopannaria praetermissa
Common Name: Moss Shingle Lichen
NE Distribution: ME
Substrate: Calcareous rock, soil
Conservation Status: R1
Comments: Aroostook County
Reference: Hinds & Hinds 2007
Herbarium: NBM

145 Heterodermia galactophylla (Tuck.) W.L.Culb.
Accepted Name: Heterodermia galactophylla
Common Name: Branching Fringe Lichen
NE Distribution: ME,VT
Substrate: Trees
Conservation Status: R1
Comments: 1 recent ME site - Penobscot Co
Reference: Tuckerman 1860, Hinds & Hinds 2007
Herbarium: MAINE

146 Heterodermia hypoleuca (Muhl.) Trevisan
Accepted Name: Heterodermia hypoleuca
Common Name: Cupped Fringe Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Hardwood trees
Conservation Status: R1
Comments: Rare in ME
Reference: Harvey 1896, Hinds & Hinds 2007
Herbarium: MAINE, FH

147 Heterodermia neglecta Lendemer, R. C. Harris & E. Tripp
Accepted Name: Heterodermia neglecta
Common Name: Orange-Tinged Fringe Lichen
NE Distribution: ME,MA
Substrate: Trees
Conservation Status: R2
Comments: Not Heterodermia obscurata
Reference: Lendemer et al. 2009
Herbarium: MAINE, NBM

S Heterodermia obscurata (Nyl.) Trevisan
Accepted Name: Heterodermia neglecta
Comments: for ME specimens

148 Heterodermia speciosa (Wulfen) Trevisan
Accepted Name: Heterodermia speciosa
Common Name: Powdered Fringe Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees (rocks)
Conservation Status: Uncommon
Comments: Throughout ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

149 Heterodermia squamulosa (Degel.) Culb.
Accepted Name: Heterodermia squamulosa
Common Name: Scaly Fringe Lichen
NE Distribution: ME
Substrate: Trees (rocks)
Conservation Status: R1
Comments: 3 sites in ME
Reference: Sullivan 1984, Hinds & Hhinds 2007
Herbarium: MAINE, MIN

S Hydrothyria venosa J.L.Russell
Accepted Name: Peltigera hydrothyria

150* Hyperphyscia syncolla (Tuck. ex Nyl.) Kalb.
Accepted Name: Hyperphyscia syncolla
Common Name: Smooth Shadow-Crust
NE Distribution: ME,MA,RI,CT
Substrate: Trees
Conservation Status: R1
Comments: 1 ME site, Washington Co.
Reference: CNALH, Hinds & Hinds 2007
Herbarium: MAINE, collected 2006, D.Richardson

S Hypocenomyce anthracophila (Nyl.) P.James & Gotth.Schneid.
Accepted Name: Carbonicola anthracophila

S Hypocenomyce friesii (Ach.) P.James & Gotth.Schneid.
Accepted Name: Xylopsora friesii

151 Hypocenomyce scalaris (Ach. ex Lilj.) A.Choisy
Accepted Name: Hypocenomyce scalaris
Common Name: Common Clam Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Acid bark, lignum
Conservation Status: Fairly common
Comments: =Psora scalaris
Reference: Tuckerman 1888, Hinds & Hinds 2007
Herbarium: MAINE, FH

152 Hypogymnia austerodes (Nyl.) Räsänen
Accepted Name: Hypogymnia austerodes
Common Name: Varnished Tube Lichen
NE Distribution: ME (Knox Co.)
Substrate: Bark, wood, (rocks)
Conservation Status: RH
Comments: 1 site in ME Knox Co.
Reference: Hinds & Hinds 1998, 2007
Herbarium: US, collected by G. K. Merrill in 1919

153 Hypogymnia bitteri (Lynge) Ahti
Accepted Name: Hypogymnia bitteri
Common Name: Brown-Powdered Tube Lichen
NE Distribution: ME,NH,VT
Substrate: Trees
Conservation Status: R1
Comments: 1 site in ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: UMFK, collected by S. Selva in 1984

154 Hypogymnia farinacea Zopf
Accepted Name: Hypogymnia farinacea
Common Name: Gray-Powdered Tube Lichen
NE Distribution: ME (Knox Co.)
Substrate: Trees
Conservation Status: RH
Comments: ID correct? (Goward et al. 2012)
Reference: Merrill 1914, Hinds & Hinds 2007
Herbarium: FH

155 Hypogymnia incurvoides Rass.
Accepted Name: Hypogymnia incurvoides
Common Name: Lattice Tube Lichen
NE Distribution: ME,NH
Substrate: Conifers, birch, (rock)
Conservation Status: Fairly common
Comments: Scattered throughout ME
Reference: Hinds & Hinds 2007
Herbarium: MAINE, NY

156 Hypogymnia krogiae Ohlsson
Accepted Name: Hypogymnia krogiae
Common Name: Freckled Tube Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Trees, esp. conifers
Conservation Status: Fairly common
Comments: Esp. coastal & northern ME
Reference: Ohlsson 1973, Hinds & Hinds 2007
Herbarium: MAINE, NBM

157 Hypogymnia physodes (L.) Nyl.
Accepted Name: Hypogymnia physodes
Common Name: Monk's Hood Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees (rocks)
Conservation Status: Common
Comments: Abundant throughout ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

158 Hypogymnia tubulosa (Schaer.) Hav.
Accepted Name: Hypogymnia tubulosa
Common Name: Powder-Headed Tube Lichen
NE Distribution: ME,NH,VT
Substrate: Trees, esp. conifers
Conservation Status: Locally common
Comments: Old growth indicator
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: MAINE, FH

159 Hypogymnia vittata (Ach.) Parrique
Accepted Name: Hypogymnia vittata
Common Name: Slender Monk's Hood Lichen
NE Distribution: ME,NH,VT
Substrate: Conifers
Conservation Status: Uncommon
Comments: Boreal mountain sites in ME
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: MAINE, FH

160 Hypotrachyna afrorevoluta (Krog & Swinscow) Krog & Swinscow
Accepted Name: Hypotrachyna afrorevoluta
Common Name: Pustulate Revolute Loop Lichen
NE Distribution: ME
Substrate: Trees
Conservation Status: R1
Comments: 4 sites known in ME
Reference: Hinds & Hinds 2007
Herbarium: MAINE, FH

161 Hypotrachyna catawbiensis (Degel.) Divakar et al.
Accepted Name: Hypotrachyna catawbiensis
Common Name: Powder-Tipped Antler Lichen
NE Distribution: ME,NH,VT
Substrate: Conifer branches
Conservation Status: Local
Comments: Downeast coastal ME
Reference: Sullivan 1996, Hinds & Hinds 2007
Herbarium: MAINE, NY

162 Hypotrachyna horrescens (Taylor) Krog & Swinscow
Accepted Name: Hypotrachyna horrescens
Common Name: Hairy-Spined Narrow-Shield
NE Distribution: ME (Knox Co.)
Substrate: Trees
Conservation Status: R1
Comments: =Parmelinopsis horrescens
Reference: Sullivan 1996, Hinds & Hinds 2007
Herbarium: MIN

163 Hypotrachyna livida (Taylor) Hale
Accepted Name: Hypotrachyna livida
Common Name: Wrinkled Loop Lichen
NE Distribution: ME,NH,MA,RI,CT
Substrate: Trees
Conservation Status: Uncommon
Comments: One site in ME Penobscot Co
Reference: CNALH, Hinds & Hinds 2007
Herbarium: CHRB, legit. 1991, Orono, det. 2012

164 Hypotrachyna minarum (Vainio) Krog & Swinscow
Accepted Name: Hypotrachyna minarum
Common Name: Hairless-Spined Narrow-Shield
NE Distribution: ME,CT
Substrate: Trees (rocks)
Conservation Status: R1
Comments: =Parmelinopsis minarum
Reference: Hinds & Hinds 2007
Herbarium: OS, herbarium of FIA specimen unknown

165 Hypotrachyna revoluta (Florke) Hale
Accepted Name: Hypotrachyna revoluta
Common Name: Powdered Loop Lichen
NE Distribution: ME
Substrate: Trees
Conservation Status: R1
Comments: 4 sites in ME
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: MAINE, NY

166 Imshaugia aleurites (Ach.) S.F.Meyer
Accepted Name: Imshaugia aleurites
Common Name: Salted Starburst Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Conifer bark & lignum
Conservation Status: Common
Comments: Throughout ME
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

167 Imshaugia placorodia (Ach.) S.F.Meyer
Accepted Name: Imshaugia placorodia
Common Name: American Starburst Lichen
NE Distribution: ME,VT,MA,RI,CT
Substrate: Conifer bark & lignum
Conservation Status: Locally common
Comments: Southern ME, esp. on pitch pine
Reference: Plitt 1924, Hinds & Hinds 2007
Herbarium: MAINE, FH

168 Lasallia papulosa (Ach.) Llano
Accepted Name: Lasallia papulosa
Common Name: Common Toadskin
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Acidic rock
Conservation Status: Common
Comments: Throughout ME
Reference: Eckfeldt 1894, Llano 1950
Herbarium: MAINE, FH

169 Lasallia pensylvanica (Hoffm) Llano
Accepted Name: Lasallia pensylvanica
Common Name: Blackened Toadskin
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Acidic rock
Conservation Status: Fairly common
Comments: Throughout ME
Reference: Merrill 1910b, Llano 1950
Herbarium: MAINE, NY

170 Lathagrium fuscovirens (With.) Otálora, P.M.Jørg. & Wedin
Accepted Name: Lathagrium fuscovirens
Common Name: Crumbled Rock-Jelly
NE Distribution: ME,VT,MA
Substrate: Calcareous rock
Conservation Status: R2
Comments: =Collema fuscovirens
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, FH

171 Lathagrium undulatum (Laurer ex Flot.) Otálora et al.
Accepted Name: Lathagrium undulatum
Common Name: Jelly Flakes
NE Distribution: ME
Substrate: Calcareous rock
Conservation Status: R1
Comments: =Collema undulatum
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE

S Lecidea anthracophila Nyl.
Accepted Name: Carbonicola anthracophila

S Lecidea friesii Ach.
Accepted Name: Xylopsora friesii

S Lecidea scalaris (Ach. ex Lilj.) Ach.
Accepted Name: Hypocenomyce scalaris

172 Leptogium acadiense J.W.Hinds, F. Anderson & Lendemer
Accepted Name: Leptogium acadiense
Common Name: Acadian Jellyskin
NE Distribution: ME,NH
Substrate: Trees
Conservation Status: Uncommon
Comments: eNA specimens not L. saturninum
Reference: Stone et al. 2016
Herbarium: MAINE, NY

S Leptogium americanum Degel.
Accepted Name: Leptogium laceroides

M Leptogium burnetiae C.W.Dodge
Accepted Name: Leptogium hirsutum

173 Leptogium chloromelum (Sw. ex Ach.) Nyl.
Accepted Name: Leptogium chloromelum
Common Name: Ruffled Jellyskin
NE Distribution: ME,VT,MA,CT
Substrate: Deciduous trees
Conservation Status: RH
Comments: 2 19th century specimens in ME
Reference: Harvey 1894, Sierk 1964
Herbarium: MAINE

174 Leptogium corticola (Taylor) Tuck.
Accepted Name: Leptogium corticola
Common Name: Blistered Jellyskin
NE Distribution: ME,VT,MA,CT
Substrate: Trees
Conservation Status: R1
Comments: Recent N.E. records all from ME
Reference: Eckfeldt 1894, Sierk 1964
Herbarium: MAINE, FH

175 Leptogium cyanescens (Rabenh.) Körb.
Accepted Name: Leptogium cyanescens
Common Name: Blue Jellyskin
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees and rocks
Conservation Status: Fairly common
Comments: most common Leptogium
Reference: Harvey. 1894, Sierk 1964
Herbarium: MAINE, FH

176 Leptogium hirsutum Sierk
Accepted Name: Leptogium hirsutum
Common Name: Long-Bearded Jellyskin
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees (rocks)
Conservation Status: R2
Comments: 2 recent in central ME
Reference: Stone et al. 2016
Herbarium: MAINE

S Leptogium imbricatum P.M.Jørg.
Accepted Name: Scytinium imbricatum

177 Leptogium laceroides (de Lesd.) P.M.Jørg.
Accepted Name: Leptogium laceroides
Common Name: Short-Bearded Jellyskin
NE Distribution: ME,NH,MA,CT
Substrate: Deciduous trees
Conservation Status: R2
Comments: 4 collections from ME
Reference: Degelius 1940 MAINE, Sierk 1964, as L. americanum
Herbarium: MAINE

S Leptogium lichenoides (L.) Zahlbr.
Accepted Name: Scytinium lichenoides

178 Leptogium milligranum Sierk
Accepted Name: Leptogium milligranum
Common Name: Stretched Jellyskin
NE Distribution: ME,NH,MA,CT
Substrate: Trees
Conservation Status: R2
Comments: All but 1 recent records from ME
Reference: Sierk 1964
Herbarium: MAINE, FH

M Leptogium saturninum (Dickson) Nyl.
Accepted Name: Leptogium acadiense
Comments: for ME specimens

S Leptogium tenuissimum (Dicks.) Körb.
Accepted Name: Scytinium tenuissimum

S Leptogium teretiusculum (Wallr.) Arnold
Accepted Name: Scytinium teretiusculum

179 Lichenomphalia hudsoniana (H.S.Jenn) Redhead et al.
Accepted Name: Lichenomphalia hudsoniana
Common Name: Arctic Mushroom Scales
NE Distribution: ME,NH,VT
Substrate: Soil
Conservation Status: R1
Comments: Alpine tundra
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, FH

180 Lobaria pulmonaria (L.) Hoffm.
Accepted Name: Lobaria pulmonaria
Common Name: Lungwort
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Deciduous trees
Conservation Status: R3
Comments: Old growth indicator
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

181 Lobaria quercizans Michx.
Accepted Name: Lobaria quercizans
Common Name: Smooth Lungwort
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Deciduous trees
Conservation Status: R3
Comments: Old growth indicator
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: MAINE, FH

182 Lobaria scrobiculata (Scop.) DC.
Accepted Name: Lobaria scrobiculata
Common Name: Textured Lungwort
NE Distribution: ME,NH,MA,RI,CT
Substrate: Deciduous trees
Conservation Status: R3
Comments: Old growth indicator
Reference: Eckfedlt 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

183* Melanelia culbersonii (Hale) A.Thell
Accepted Name: Melanelia culbersonii
Common Name: Appalachian Rock Brown-Shield
NE Distribution: ME,VT,MA
Substrate: Rock
Conservation Status: G3, R1
Comments: One site in ME Oxford Co.
Reference: CNALH, Hinds & Hinds 2007
Herbarium: WIS, legit Parlin 1944, det Thomson 1969

S Melanelia disjuncta (Erichsen) Essl.
Accepted Name: Montanelia disjuncta

S Melanelia exasperata (DeNot) Essl.
Accepted Name: Melanohalea exasperata

S Melanelia exasperatula (Nyl.) Essl.
Accepted Name: Melanohalea exasperatula

S Melanelia fuliginosa (Fr. ex Duby) Essl.
Accepted Name: Melanelixia fuliginosa

S Melanelia glabratula (Lamy) Essl.
Accepted Name: Melanelixia fuliginosa

S Melanelia granulosa (Lynge) Essl.
Accepted Name: Montanelia disjuncta

S Melanelia halei (Ahti) Essl.
Accepted Name: Melanohalea halei

184 Melanelia hepatizon (Ach.) A.Thell
Accepted Name: Melanelia hepatizon
Common Name: Rimmed Brown-Shield
NE Distribution: ME,NH,VT
Substrate: Acid rock, rarely bark
Conservation Status: Locally common
Comments: in ME mountains & coast
Reference: Howe 1913b, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

S Melanelia infumata (Nyl.) Essl.
Accepted Name: Melanohalea infumata

S Melanelia olivacea (L.) Essl.
Accepted Name: Melanohalea olivacea

S Melanelia panniformis (Nyl.) Essl.
Accepted Name: Montanelia panniformis

S Melanelia septentrionalis (Lynge) Essl.
Accepted Name: Melanohalea septentrionalis

S Melanelia sorediata (Ach.) Goward & Ahti.
Accepted Name: Montanelia sorediata

185 Melanelia stygia (L.) Essl.
Accepted Name: Melanelia stygia
Common Name: Alpine Brown-Shield
NE Distribution: ME,NH,VT,MA
Substrate: Exposed rock
Conservation Status: Locally common
Comments: In mountains of ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Melanelia subargentifera (Nyl.) Essl.
Accepted Name: Melanelixia subargentifera

S Melanelia subaurifera (Nyl.) Essl.
Accepted Name: Melanelixia subaurifera

S Melanelia trabeculata (Ahti) Essl.
Accepted Name: Melanohalea trabeculata

186 Melanelixia fuliginosa (Fr.ex Duby) O.Blanco et al.
Accepted Name: Melanelixia fuliginosa
Common Name: Shiny Brown-Shield
NE Distribution: ME,NH,VT,MA,RI
Substrate: Bark
Conservation Status: Fairly common
Comments: =Melanelia fuliginosa
Reference: Esslinger 1977b, Hinds & Hinds 2007
Herbarium: MAINE, FH

187 Melanelixia subargentifera (Nyl.) O.Blanco et al.
Accepted Name: Melanelixia subargentifera
Common Name: Whiskered Brown-Shield
NE Distribution: ME
Substrate: Trees and rocks
Conservation Status: R1
Comments: =Melanelia subargentifera
Reference: Parlin 1923, Hinds & Hinds 2007
Herbarium: MAINE, FH

188 Melanelixia subaurifera (Nyl.) O.Blanco et al.
Accepted Name: Melanelixia subaurifera
Common Name: Abraded Brown-Shield
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Bark
Conservation Status: Common
Comments: =Melanelia subaurifera
Reference: Merrill 1920a, Hinds & Hinds 2007
Herbarium: MAINE, FH

189 Melanohalea exasperata (DeNot) O.Blanco et al.
Accepted Name: Melanohalea exasperata
Common Name: Warty Brown-Shield
NE Distribution: ME,NH,VT,MA,CT
Substrate: Deciduous trees
Conservation Status: R1
Comments: =Melanelia exasperata
Reference: Parlin 1939, Hinds & Hinds 2007
Herbarium: MAINE, FH

190 Melanohalea exasperatula (Nyl.) O.Blanco et al.
Accepted Name: Melanohalea exasperatula
Common Name: Lustrous Tree Brown-Shield
NE Distribution: ME
Substrate: Bark and twigs
Conservation Status: R1
Comments: =Melanelia exasperatula
Reference: Sullivan 1996, Hinds & Hinds 2007
Herbarium: MAINE, MIN

191 Melanohalea halei (Ahti) O.Blanco et al.
Accepted Name: Melanohalea halei
Common Name: Appalachian Tree Brown-Shield
NE Distribution: ME,NH,VT,MA,CT
Substrate: Bark
Conservation Status: Common
Comments: =Melanelia halei
Reference: Ahti 1966, Hinds & Hinds 2007
Herbarium: MAINE, NBM

192 Melanohalea infumata (Nyl.) O.Blanco et al.
Accepted Name: Melanohalea infumata
Common Name: Salted Brown-Shield
NE Distribution: ME,MA
Substrate: Rock
Conservation Status: R1
Comments: =Melanelia infumata
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE

193 Melanohalea olivacea (L.) O.Blanco et al.
Accepted Name: Melanohalea olivacea
Common Name: Spotted Brown-Shield
NE Distribution: ME,VT,MA
Substrate: Bark
Conservation Status: Uncommon
Comments: =Melanelia olivacea
Reference: Esslinger 1977b, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

194 Melanohalea septentrionalis (Lynge) O.Blanco et al.
Accepted Name: Melanohalea septentrionalis
Common Name: Northern Brown-Shield
NE Distribution: ME,NH,VT
Substrate: Bark
Conservation Status: Common
Comments: =Melanelia septentrionalis
Reference: Ahti 1966, Hinds & Hinds 2007
Herbarium: MAINE, FH

195 Melanohalea trabeculata (Ahti) O.Blanco et al.
Accepted Name: Melanohalea trabeculata
Common Name: Trabeculate Brown-Shield
NE Distribution: ME (Somerset Co.)
Substrate: Bark
Conservation Status: R1
Comments: =Melanelia trabeculata
Reference: Hinds & Hinds 2007
Herbarium: unknown, found as part of FIA per S. Will-Wolf

196 Menegazzia subsimilis (H.Magn.) R.Sant.
Accepted Name: Menegazzia subsimilis
Common Name: Tree Flute
NE Distribution: ME,NH,VT,MA
Substrate: Trees, esp. Thuja
Conservation Status: R3
Comments: Recent split from M. terebrata
Reference: Hinds & Hinds 2007
Herbarium: MAINE, NY

197 Menegazzia terebrata (Hoffm.) A.Massal.
Accepted Name: Menegazzia terebrata
Common Name: Tree Flute
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees, esp. Thuja
Conservation Status: R3
Comments: Old growth indicator
Reference: Hinds & Hinds 2007 (in narrow sense)
Herbarium: MAINE, NBM

198 Montanelia disjuncta (Erichsen) Divakar et al.
Accepted Name: Montanelia disjuncta
Common Name: Mealy Brown-Shield
NE Distribution: ME,VT
Substrate: Acid rock
Conservation Status: Fairly common
Comments: =Melanelia disjuncta
Reference: Esslinger 1977b, Hinds & Hinds 2007
Herbarium: MAINE, NY

199 Montanelia panniformis (Nyl.) O.Blanco et al.
Accepted Name: Montanelia panniformis
Common Name: Shingled Brown-Shield
NE Distribution: ME,NH,VT,MA
Substrate: Rock
Conservation Status: Uncommon
Comments: =Melanelia panniformis
Reference: Esslinger 1977b, Hinds & Hinds 2007
Herbarium: MAINE, FH

200 Montanelia sorediata (Ach.) Divakar et al.
Accepted Name: Montanelia sorediata
Common Name: Powdered Brown-Shield
NE Distribution: ME,NH,VT,MA,CT
Substrate: Exposed rock
Conservation Status: Fairly common
Comments: =Melanelia sorediata
Reference: Merrill 1912, Hinds & Hin ds 2007
Herbarium: MAINE, FH

201 Myelochroa aurulenta (Tuck.) Elix & Hale
Accepted Name: Myelochroa aurulenta
Common Name: Powdery Axil-Bristle Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Trees (rock)
Conservation Status: Common
Comments: Old growth indicator?
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: MAINE, FH

202 Myelochroa galbina (Ach.) Elix & Hale
Accepted Name: Myelochroa galbina
Common Name: Smooth Axil-Bristle Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Deciduous trees
Conservation Status: Common
Comments: Favors higher branches of trees
Reference: Parlin 1929, Hinds & Hinds 2007
Herbarium: MAINE, FH

203 Nephroma arcticum (L.) Torss.
Accepted Name: Nephroma arcticum
Common Name: Arctic Kidney Lichen
NE Distribution: ME,NH,VT
Substrate: Mossy soil
Conservation Status: R2
Comments: Only one recent site in ME
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

204 Nephroma bellum (Sprengel) Tuck.
Accepted Name: Nephroma bellum
Common Name: Naked Kidney Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees and rocks
Conservation Status: R2
Comments: Old growth forest indicator
Reference: Wetmore 1960, Hinds & Hinds 2007
Herbarium: MAINE, FH

205 Nephroma helveticum Ach.
Accepted Name: Nephroma helveticum
Common Name: Fringed Kidney Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Mossy trees & rocks
Conservation Status: R2
Comments: Old growth forest indicator
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

206 Nephroma laevigatum Ach.
Accepted Name: Nephroma laevigatum
Common Name: Mustard Kidney Lichen
NE Distribution: ME,MA,CT
Substrate: Mossy trunks
Conservation Status: R2
Comments: Oceanic coastal ME
Reference: Merrill 1911a, Hinds & Hinds 2007
Herbarium: MAINE, FH

207 Nephroma parile (Ach.) Ach.
Accepted Name: Nephroma parille
Common Name: Powdery Kidney Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Rocks & base of trees
Conservation Status: R2
Comments: Old growth forest indicator
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

208 Nephroma resupinatum (L.) Ach.
Accepted Name: Nephroma resupinatum
Common Name: Pimpled Kidney Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Rocks & tree trunks
Conservation Status: R3
Comments: Old growth forest indicator
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

209 Normandina pulchella (Borrer) Nyl.
Accepted Name: Normandina pulchella
Common Name: Elf Ear Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Bark,moss,lichens
Conservation Status: R2
Comments: Recent sites in ME all Hancock Co.
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: NY, MIN

S Omphalina hudsoniana (H.S.Jenn.) H.E.Bigelow
Accepted Name: Lichenomphalia hudsoniana

210 Pannaria conoplea (Ach.) Bory
Accepted Name: Pannaria conoplea
Common Name: Mealy-Rimmed Shingle Lichen
NE Distribution: ME,NH,MA
Substrate: Trees (rocks)
Conservation Status: R2
Comments: Sensitive to air pollution
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, FH

211 Pannaria lurida (Mont.) Nyl.
Accepted Name: Pannaria lurida
Common Name: Veined Shingle Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees
Conservation Status: G3, R1
Comments: 1 recent collection, Hancock Co.
Reference: Merrill 1910, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Pannaria pezizoides (Weber) Trevis.
Accepted Name: Protopannaria pezizoides

M Pannaria pityrea auct.
Accepted Name: Pannaria conoplea

212 Pannaria rubiginosa (Ach.) Bory
Accepted Name: Pannaria rubiginosa
Common Name: Brown-Eyed Shingle Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Trees
Conservation Status: R2
Comments: Sensitive to air pollution
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: MAINE, FH

213** Pannaria tavaresii P.M.Jørg.
Accepted Name: Pannaria tavaresii
Common Name: Peppered Shingle Lichen
NE Distribution: ME
Substrate: Trees
Conservation Status: R1
Comments: One site known in New England
Reference: CNALH Brodo et al. 2001
Herbarium: NY, collected by Lendemer, 2010, Hancock Co.

S Parmelia appalachensis W.L.Culb.
Accepted Name: Punctelia appalachensis

S Parmelia arnoldii Du Rietz
Accepted Name: Parmotrema arnoldii

S Parmelia aurulenta Tuck.
Accepted Name: Myelochroa aurulenta

S Parmelia centrifuga (L.) Ach.
Accepted Name: Arctoparmelia centrifuga

S Parmelia crinita Ach.
Accepted Name: Parmotrrema crinitum

S Parmelia cumberlandia (Gyeln.) Hale
Accepted Name: Xanthoparmelia cumberlandia

S Parmelia disjuncta Erichsen
Accepted Name: Montanelia disjuncta

S Parmelia dissecta Nyl.
Accepted Name: Hypotrachyna minarum

S Parmelia exasperata DeNot.
Accepted Name: Melanohalea exasperata

S Parmelia exasperatula Nyl.
Accepted Name: Melanohalea exasperatula

214 Parmelia fertilis Müll. Arg.
Accepted Name: Parmelia fertilis
Common Name: Fertile Shield Lichen
NE Distribution: ME,NH
Substrate: Trees
Conservation Status: R2
Comments: All ME specimens in Hancock Co.
Reference: Hinds & Hinds 1998, 1998b
Herbarium: MAINE, NY

215** Parmelia fraudans (Nyl.) Nyl.
Accepted Name: Parmelia fraudans
Common Name: Green Shield Lichen
NE Distribution: ME
Substrate: Rocks
Conservation Status: R1
Comments: 2 sites in ME (and New England)
Reference: CNALH
Herbarium: MAINE, collected by P. & J. Hinds, 1989, Gardner Pond rockslide

S Parmelia galbina Ach.
Accepted Name: Myelochroa galbina

S Parmelia glabratula (Lamy) Nyl.
Accepted Name: Melanelixia fuliginosa

S Parmelia granulosa Lynge
Accepted Name: Montanelia disjuncta

S Parmelia halei Ahti
Accepted Name: Melanohalea halei

S Parmelia horrescens Taylor
Accepted Name: Hypotrachyna horrescens

M Parmelia hypopsila Müll. Arg.
Accepted Name: Xanthoparmelia angustiphylla

S Parmelia incurva (Pers.) Fr.
Accepted Name: Arctoparmelia incurva

S Parmelia livida Taylor
Accepted Name: Hypotrachyna livida

216 Parmelia neodiscordans Hale
Accepted Name: Parmelia neodiscordans
Common Name: Appalachian Shield Lichen
NE Distribution: ME,NH,VT
Substrate: Rocks
Conservation Status: G2, R2
Comments: Holotype is from Hancock Co., ME
Reference: Hale 1987, Hinds & Hinds 1998b
Herbarium: MAINE, NY

S Parmelia olivacea (L.) Ach.
Accepted Name: Melanohalea olivacea

217 Parmelia omphalodes (L.) Ach.
Accepted Name: Parmelia omphalodes
Common Name: Smoky Shield Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Rocks
Conservation Status: Uncommon
Comments: Includes ssp. pinnatifida
Reference: Sullivan 1996, Hinds & Hinds 1998b
Herbarium: MAINE, US

S Parmelia panniformis (Nyl.) Vain.
Accepted Name: Montanelia panniformis

S Parmelia perlata (Huds.) Ach.
Accepted Name: Parmotrema perlatum

218** Parmelia pinnatifida Kurok.
Accepted Name: Parmelia pinnatifida
Common Name: Smoky Shield Lichen
NE Distribution: ME,NH
Substrate: Rocks
Conservation Status: R1
Comments: One recent specimen in ME
Reference: CNALH, as P. omphalodes ssp. pinnatifida
Herbarium: UWSP (2011, Roque Island)

S Parmelia plittii Gyeln.
Accepted Name: Xanthoparmelia plittii

S Parmelia reticulata Taylor
Accepted Name: Parmotrema reticulatum

S Parmelia revoluta Flörke
Accepted Name: Hypotrachyna revoluta

S Parmelia rudecta Ach.
Accepted Name: Punctelia rudecta

219 Parmelia saxatilis (L.) Ach.
Accepted Name: Parmelia saxatilis
Common Name: Salted Shield Lichen
NE Distribution: ME,NH,VT,MA,RI
Substrate: Rocks and trees
Conservation Status: Common
Comments: Common throughout ME
Reference: Hale 1987, Hinds & Hinds 1998b
Herbarium: MAINE, FH

S Parmelia septentrionalis (Lynge) Ahti
Accepted Name: Melanohalea septentrionalis

S Parmelia sorediata Ach.
Accepted Name: Montanelia sorediata

S Parmelia sorediosa Almb.
Accepted Name: Montanelia sorediata

220 Parmelia squarrosa Hale
Accepted Name: Parmelia squarrosa
Common Name: Bottlebrush Shield Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees (rocks)
Conservation Status: Common
Comments: Common throughout ME
Reference: Hale 1971, Hinds & Hinds 1998b
Herbarium: MAINE, FH

S Parmelia stygia (L.) Hale
Accepted Name: Melanelia stygia

S Parmelia subargentifera Nyl.
Accepted Name: Melanelixia subargentifera

S Parmelia subaurifera Nyl.
Accepted Name: Melanelixia subaurifera

221 Parmelia sulcata Taylor
Accepted Name: Parmelia sulcata
Common Name: Hammered Shield Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees and rocks
Conservation Status: Common
Comments: Common throughout ME
Reference: Merrill 1909c, Hinds & Hinds 1998b
Herbarium: MAINE, FH

M Parmelia taractica Kremp.
Accepted Name: Xanthoparmelia viriduloumbrina

M Parmelia tasmanica Hook.f. & Taylor
Accepted Name: Xanthoparmelia hypofusca

S Parmelia trabeculata Ahti
Accepted Name: Melanohalea trabeculata

222** Parmeliella appalachensis P.M.Jørg.
Accepted Name: Parmeliella appalachensis
Common Name: Lobulate Shingle Lichen
NE Distribution: ME
Substrate: Trees
Conservation Status: R1
Comments: 2 sites in ME Hanc., Wash. Co.
Reference: CNALH
Herbarium: NY, collected by J. Lendemer in June 2010

223 Parmeliella triptophylla (Ach.) Müll. Arg.
Accepted Name: Parmeliella triptophylla
Common Name: Black-Bordered Shingle Lichen
NE Distribution: ME,NH,MA,RI,CT
Substrate: Trees and rocks
Conservation Status: R2
Comments: Uncommon in ME mostly on trees
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: MAINE, NBM

S Parmelina aurulenta (Tuck.) Hale
Accepted Name: Myelochroa aurulenta

S Parmelina dissecta (Nyl.) Hale
Accepted Name: Hypotrachyna minarum

S Parmelina galbina (Ach.) Hale
Accepted Name: Myelochroa galbina

S Parmelina horrescens (Taylor) Hale
Accepted Name: Hypotrachyna horrescens

S Parmelina minarum (Vainio) Skorepa
Accepted Name: Hypotrachyna minarum

S Parmelinopsis horrescens (Taylor) Elix & Hale
Accepted Name: Hypotrachyna horrescens

S Parmelinopsis minarum (Vainio) Elix & Hale
Accepted Name: Hypotrachyna minarum

S Parmeliopsis aleurites (Ach.) Nyl.
Accepted Name: Imshaugia aleurites

224 Parmeliopsis ambigua (Wulfen) Nyl.
Accepted Name: Parmeliopsis ambigua
Common Name: Boreal Starburst Lichen
NE Distribution: ME,NH,VT
Substrate: Conifer bark & lignum
Conservation Status: Uncommon
Comments: Found only near treeline
Reference: Hinds & Hinds 1998, Hinds 1999
Herbarium: MAINE

225 Parmeliopsis capitata R.C.Harris ex J.W.Hinds & P.L.Hinds
Accepted Name: Parmeliopsis capitata
Common Name: Powder-Tipped Starburst Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Conifer bark & lignum
Conservation Status: Common
Comments: Throughout ME, esp. boreal
Reference: Harris et al. 1988, Hinds 1999
Herbarium: MAINE, NEBC

226 Parmeliopsis hyperopta (Ach.) Arnold
Accepted Name: Parmeliopsis hyperopta
Common Name: Gray Starburst Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Conifer bark & lignum
Conservation Status: Common
Comments: Throughout ME, esp. boreal
Reference: Cummings & Seymour 1894, Hinds 1999
Herbarium: MAINE, NBM

S Parmeliopsis placorodia (Ach.) Nyl.
Accepted Name: Imshaugia placorodia

S Parmelisa conspersa (Ach.) Ach.
Accepted Name: Xanthoparmelia conspersa

227 Parmotrema arnoldii (Du Rietz) Hale
Accepted Name: Parmotrema arnoldii
Common Name: Western Powdered Ruffle Lichen
NE Distribution: ME,VT
Substrate: Trees
Conservation Status: R1
Comments: Known from 3 sites in ME
Reference: Degelius 1940, Hinds & Hinds 2007
Herbarium: MAINE, US

M Parmotrema chinense (Osbeck) Hale & Ahti
Accepted Name: Parmotrema perlatum

228 Parmotrema crinitum (Ach.) Choisy
Accepted Name: Parmotrema crinitum
Common Name: Salted Ruffle Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees (rocks)
Conservation Status: R3
Comments: Found near coast in ME
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

229 Parmotrema perlatum (Huds.) M.Choisy
Accepted Name: Parmotrema perlatum
Common Name: Powdered Ruffle Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees (rocks)
Conservation Status: R2
Comments: =Parmotrema chinense
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, NBM

230 Parmotrema reticulatum (Taylor) M.Choisy
Accepted Name: Parmotrema reticulatum
Common Name: Cracked Ruffle Lichen
NE Distribution: ME,MA,RI,CT
Substrate: Trees (rocks)
Conservation Status: R2
Comments: Known from 2 sites in ME
Reference: Hinds & Hinds 2007
Herbarium: MAINE, F, annotated by J. Buchsbaum in 2000

231 Pectenia plumbea (Lightf.) P.M.Jorg. & P.James
Accepted Name: Pectenia plumbea
Common Name: Leaden Lichen
NE Distribution: ME (Mt. Desert I)
Substrate: Trees & mossy rocks
Conservation Status: R1
Comments: =Degelia plumbea
Reference: Tuckerman 1882, Hinds & Hinds 2007
Herbarium: MAINE, US

232 Peltigera aphthosa (L.) Willd.
Accepted Name: Peltigera aphthosa
Common Name: Veinless Freckle-Pelt
NE Distribution: ME,NH,VT,MA
Substrate: Mossy soil, rock, tree
Conservation Status: R2
Comments: More northerty than P.leucophlebia
Reference: Thomson 1950
Herbarium: MAINE, NBM

233 Peltigera canina (L.) Willd.
Accepted Name: Peltigera canina
Common Name: Dog-Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Soil and moss
Conservation Status: Fairly common
Comments: Widespread in ME
Reference: Eckfeldt 1894, Thomson 1950
Herbarium: MAINE, NBM

234 Peltigera degenii Gyeln.
Accepted Name: Peltigera degenii
Common Name: Bluish Dog-Lichen
NE Distribution: ME,VT
Substrate: Mossy soil, rock, tree
Conservation Status: R2
Comments: Scattered records in ME
Reference: Thomson 1950
Herbarium: MAINE, YPM-YU

235 Peltigera didactyla (With.) J.R.Laundon
Accepted Name: Peltigera didactyla
Common Name: Alternating Dog-Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Bare sandy soil
Conservation Status: Fairly common
Comments: At first sorediate, then fertile
Reference: Cummings & Seymour 1894, Thomson 1950
Herbarium: MAINE, FH

236 Peltigera elisabethae Gyeln.
Accepted Name: Peltigera elisabethae
Common Name: Scaly Pelt
NE Distribution: ME,VT,MA,RI,CT
Substrate: Soil and tree bases
Conservation Status: R2
Comments: Scattered records in ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, NY

237 Peltigera evansiana Gyeln.
Accepted Name: Peltigera evansiana
Common Name: Peppered Dog-Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Mossy soil, rock, tree
Conservation Status: Common
Comments: Common throughout ME
Reference: Parlin 1939, Thomson 1950
Herbarium: MAINE, FH

238 Peltigera extenuata (Vainio) Lojka
Accepted Name: Peltigera extenuata
Common Name: Dwarf Dog-Lichen
NE Distribution: ME,VT
Substrate: Mossy soil, rocks, trees
Conservation Status: R1
Comments: Recent split from P. didactyla s.l.
Reference: Hinds & Hinds 2007
Herbarium: MAINE, PH

239 Peltigera horizontalis (Huds.) Baumg.
Accepted Name: Peltigera horizontalis
Common Name: Flat-Fruited Pelt
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Mossy soil, rock, tree
Conservation Status: R1
Comments: Old growth indicator
Reference: Eckfeldt 1894, Thomson 1950
Herbarium: MAINE, FH

240 Peltigera hydrothyria Miadlikowska & Lutzoni
Accepted Name: Peltigera hydrothyria
Common Name: Waterfan
NE Distribution: ME,NH,VT,MA,CT
Substrate: Submerged rocks
Conservation Status: R1
Comments: =Hydrothyria venosa
Reference: Norton 1926, Hinds & Hinds 2007
Herbarium: MAINE, NY

241 Peltigera lepidophora (Vainio) Bitter
Accepted Name: Peltigera lepidophora
Common Name: Limestone Scaly Pelt
NE Distribution: ME,CT
Substrate: Calcareous soil
Conservation Status: R2
Comments: Restricted to highly calcareus sites
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, NY

242 Peltigera leucophlebia (Nyl.) Gyeln.
Accepted Name: Peltigera leucophlebia
Common Name: Veined Freckle-Pelt
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Mossy soil, rock, tree
Conservation Status: R2
Comments: More southerly than P. aphthosa
Reference: Thomson 1950
Herbarium: MAINE, NBM

243 Peltigera malacea (Ach.) Funck
Accepted Name: Peltigera malacea
Common Name: Veinless Pelt
NE Distribution: ME,NH
Substrate: Soil or mosses
Conservation Status: R1
Comments: Boreal to arctic habitats
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, MIN

244 Peltigera membranacea (Ach.) Nyl.
Accepted Name: Peltigera membranacea
Common Name: Membranous Dog-Lichen
NE Distribution: ME,NH,VT,
Substrate: Mossy soil, rock, tree
Conservation Status: R2
Comments: Found mostly in oceanic habitats
Reference: Thomson 1950
Herbarium: MAINE, FH

245 Peltigera neckeri Hepp.ex Müll.Arg.
Accepted Name: Peltigera neckeri
Common Name: Black Saddle Lichen
NE Distribution: ME,MA,CT
Substrate: Soil/moss-rocks, trees
Conservation Status: R2
Comments: Known from 4 sites in ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, NY

246 Peltigera neopolydactyla (Gyeln.) Gyeln.
Accepted Name: Peltigera neopolydactyla
Common Name: Carpet Pelt
NE Distribution: ME (Aroostook Co.)
Substrate: Mossy soil, rock, tree
Conservation Status: R1
Comments: Known from 4 sites in ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, PH

247 Peltigera polydactylon (Neck.) Hoffm.
Accepted Name: Peltigera polydactylon
Common Name: Many-Fruited Pelt
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Soil/moss-rocks, trees
Conservation Status: Common
Comments: Common throughout ME
Reference: Harvey 1894, Thomson 1950
Herbarium: MAINE, FH

248 Peltigera ponojensis Gyeln.
Accepted Name: Peltigera ponojensis
Common Name: Pale-Bellied Dog Lichen
NE Distribution: ME,VT,MA
Substrate: Calcareous soil
Conservation Status: R1
Comments: 2 sites reported in ME
Reference: Hinds & Hinds 2007
Herbarium: MAINE, OS

249 Peltigera praetextata (Flörke ex Sommerf.) Zopf
Accepted Name: Peltigera praetextata
Common Name: Scaly Dog-Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Mossy soil, rock, tree
Conservation Status: Common
Comments: Common throughout ME
Reference: Thomson 1950
Herbarium: MAINE, FH

250 Peltigera rufescens (Weiss) Humb.
Accepted Name: Peltigera rufescens
Common Name: Field Dog-Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Dry soils and rocks
Conservation Status: Fairly common
Comments: Found in full sun habitats
Reference: Eckfeldt 1894, Thomson 1950
Herbarium: MAINE, NBM

251 Peltigera scabrosa Th.Fr.
Accepted Name: Peltigera scabrosa
Common Name: Scabby Pelt
NE Distribution: ME,NH
Substrate: Soil/moss-rocks, trees
Conservation Status: R1
Comments: 2 sites reported in ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, ILLS

S Peltigera spuria (Ach.) DC.
Accepted Name: Peltigera didactyla

252 Phaeophyscia adiastola (Essl.) Essl.
Accepted Name: Phaeophyscia adiastola
Common Name: Powder-Tipped Shadow Lichen
NE Distribution: ME,VT,MA,RI,CT
Substrate: Moss over rock (bark)
Conservation Status: Fairly common
Comments: Species described in 1977
Reference: Esslinger 1977a, 1978a
Herbarium: MAINE, NEBC

S Phaeophyscia chloantha (Ach.) Essl.
Accepted Name: Physciella chloantha

253 Phaeophyscia ciliata (Hoffm.) Moberg
Accepted Name: Phaeophyscia ciliata
Common Name: Smooth Shadow Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Hardwood bark
Conservation Status: R1
Comments: Perhaps declining in New England
Reference: Eckfeldt 1894, Esslinger 1978a
Herbarium: MAINE, FH

254 Phaeophyscia decolor (Kashiw.) Essl.
Accepted Name: Phaeophyscia decolor
Common Name: Starburst Shadow Lichen
NE Distribution: ME,CT
Substrate: Rocks
Conservation Status: R1
Comments: 2 sites in ME: Oxford, Aroostook Co
Reference: Thomson 1963, Esslinger 1978a
Herbarium: MAINE

255 Phaeophyscia endococcinodes (Poelt) Essl.
Accepted Name: Phaeophyscia endococcinodes
Common Name: Red-Cored Starburst Shadow
NE Distribution: ME,VT,CT
Substrate: Rocks
Conservation Status: R1
Comments: In ME 1 site: 1871, Lewiston ME
Reference: Hinds & Hinds 2007
Herbarium: FH

256 Phaeophyscia erythrocardia (Tuck.) Essl.
Accepted Name: Phaeophyscia erythrocardia
Common Name: Red-Cored Starburst Shadow
NE Distribution: ME,VT
Substrate: Trees
Conservation Status: R1
Comments: in ME in Oxford Co.
Reference: Hinds & Hinds 2007
Herbarium: unknown, found as part of FIA per S. Will-Wolf

257 Phaeophyscia hirtella Essl.
Accepted Name: Phaeophyscia hirtella
Common Name: Hairy Shadow Lichen
NE Distribution: ME,NH,VT,CT
Substrate: Trees
Conservation Status: R2
Comments: 2 sites in ME: Aroostook Co 1987, 2012
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, UMFK

258 Phaeophyscia hispidula (Ach.) Essl.
Accepted Name: Phaeophyscia hispidula
Common Name: Whiskered Shadow Lichen
NE Distribution: ME,NH,MA,CT
Substrate: Trees
Conservation Status: R1
Comments: 1 site in ME: Knox Co. (1909)
Reference: Merrill 1910a, Esslinger 1978a
Herbarium: MAINE, YPM-YU

259 Phaeophyscia insignis (Mereschk.) Moberg
Accepted Name: Phaeophyscia insignis
Common Name: Obscure Shadow Lichen
NE Distribution: ME
Substrate: Trees and rocks
Conservation Status: R1
Comments: 2 sites in ME: Knox, Aroostook Co
Reference: Hinds & Hinds 2007
Herbarium: MAINE

260 Phaeophyscia kairamoi (Vainio) Moberg
Accepted Name: Phaeophyscia kairamoi
Common Name: Hairy-Spined Shadow Lichen
NE Distribution: ME
Substrate: Rocks
Conservation Status: R1
Comments: Several sites in ME on gravestones
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, TLE

S Phaeophyscia melanchra (Hue) Hale
Accepted Name: Physciella melanchra

261 Phaeophyscia orbicularis (Neck.) Moberg
Accepted Name: Phaeophyscia orbicularis
Common Name: Mealy Shadow Lichen
NE Distribution: ME,VT,CT
Substrate: Rocks and trees
Conservation Status: R2
Comments: On nutrient-enriched substrates
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, CANL

262 Phaeophyscia pusilloides (Zahlbr.) Essl.
Accepted Name: Phaeophyscia pusilloides
Common Name: Pompan-Tipped Shadow Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Hardwood bark
Conservation Status: Common
Comments: Throughout ME
Reference: Esslinger 1978a
Herbarium: MAINE, NEBC

263 Phaeophyscia rubropulchra (Degel.) Essl.
Accepted Name: Phaeophyscia rubropulchra
Common Name: Orange-Cored Shadow Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Hardwood bark, moss
Conservation Status: Common
Comments: Common throughout ME
Reference: Parlin 1939, Esslinger 1978a
Herbarium: MAINE, NEBC

264 Phaeophyscia sciastra (Ach.) Moberg
Accepted Name: Phaeophyscia sciastra
Common Name: Dark Shadow Lichen
NE Distribution: ME,VT,MA,CT
Substrate: Rock
Conservation Status: Uncommon
Comments: Favors limestone rock
Reference: Merrill 1914, Thomson 1963
Herbarium: MAINE, FH

265 Phylliscum demangeonii (Moug. & Mont.) Nyl.
Accepted Name: Phylliscum demangeonii
Common Name: Black Rock-Wafer
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Acidic rock
Conservation Status: R2
Comments: Known from 4 sites in ME
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: UMFK, NEBC

S Physcia adiastola Essl.
Accepted Name: Phaeophyscia adiastola

266 Physcia adscendens (Fr.) H.Olivier
Accepted Name: Physcia adscendens
Common Name: Hooded Rosette Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Bark, lignum, rock
Conservation Status: Common
Comments: Nutrient-enriched substrates
Reference: Degelius 1940, Thomson 1963
Herbarium: MAINE, FH

267 Physcia aipolia (Ehrh. ex Humb.) Furnr.
Accepted Name: Physcia aipolia
Common Name: Hoary Rosette Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees (rocks)
Conservation Status: Common
Comments: Nutrient-enriched substrates
Reference: Degelius 1940, Thomson 1963
Herbarium: MAINE, FH

268** Physcia alnophila (Vain.) Loht., Moberg, Mullys & Tehler
Accepted Name: Physcia alnophila
Common Name: Spotted Rosette Lichen
NE Distribution: ME
Substrate: Trees
Conservation Status: R1
Comments: Recent split from P. aipolia
Reference: CNALH, Brodo et al. 2013
Herbarium: MAINE, collected by P. Hinds 1984, Orono, ME

269 Physcia caesia (Hoffm.) Furnr.
Accepted Name: Physcia caesia
Common Name: Blue-Gray Rosette Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Rocks (tree bases)
Conservation Status: Common
Comments: Nutrient-enriched substrates
Reference: Eckfeldt 1894, Thomson 1963
Herbarium: MAINE, FH

S Physcia ciliata (Hoffm.) Du Rietz
Accepted Name: Phaeophyscia ciliata

S Physcia decolor Kashiw.
Accepted Name: Phaeophyscia decolor

270 Physcia dubia (Hoffm.) Lettau
Accepted Name: Physcia dubia
Common Name: Powder-Tipped Rosette Lichen
NE Distribution: ME,VT,MA,CT
Substrate: Rocks (tree bases)
Conservation Status: Fairly common
Comments: Nutrient-enriched substrates
Reference: Degelius 1940, Thomson 1963
Herbarium: MAINE, FH

S Physcia endococcinoides Poelt
Accepted Name: Phaeophyscia endococcinoides

S Physcia erythrocardia (Tuck.) Kashiw.
Accepted Name: Phaeophyscia erythrocardia

M Physcia grisea auct.
Accepted Name: Physconia detersa

S Physcia hispidula (Ach.) Frey
Accepted Name: Phaeophyscia hispidula

S Physcia insignis Mereschk.
Accepted Name: Phaeophyscia insignis

S Physcia kairamoi Vain.
Accepted Name: Phaeophyscia kairamoi

271 Physcia leptalea (Ach.) DC.
Accepted Name: Physcia leptalea
Common Name: Fringed Rosette Lichen
NE Distribution: ME
Substrate: Rocks and trees
Conservation Status: R1
Comments: 4 known sites in ME
Reference: Hinds & Hinds 1998, Thomson 1963
Herbarium: MAINE

272 Physcia millegrana Degel.
Accepted Name: Physcia millegrana
Common Name: Mealy Rosette Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Hardwood trees (rock)
Conservation Status: Common
Comments: Pollution tolerant
Reference: Degelius 1940, Thomson 1963
Herbarium: MAINE, FH

S Physcia orbicularis (Neck.) Poetsch.
Accepted Name: Phaeophyscia orbicularis

273 Physcia phaea (Tuck.) J.W.Thomson
Accepted Name: Physcia phaea
Common Name: Black-Eyed Rock Rosette
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Acid rock
Conservation Status: Fairly common
Comments: Rocks nutrient-enriched by birds
Reference: Thomson 1963
Herbarium: MAINE, FH

274** Physcia pumilior R.C.Harris
Accepted Name: Physcia pumilior
Common Name: Spotted Rosette Lichen
NE Distribution: ME,NH
Substrate: Trees
Conservation Status: R1
Comments: Farthest N species has been found
Reference: CNALH
Herbarium: MOR, collected and identified by Douglas Ladd, Somerset Co. 1983

S Physcia pusilloides Zahlbr.
Accepted Name: Phaeophyscia pusilloides

S Physcia rubropulchra (Degel.) Moberg
Accepted Name: Phaeophyscia rubropulchra

S Physcia sciastra (Ach.) Du Rietz
Accepted Name: Phaeophyscia sciastra

S Physcia setosa (Ach.) Nyl.
Accepted Name: Phaeophyscia hispidula

275 Physcia stellaris (L.) Degel.
Accepted Name: Physcia stellaris
Common Name: Star Rosette Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Hardwood trees (rock)
Conservation Status: Common
Comments: Well-lit habitats
Reference: Eckfeldt 1894, Thomson 1963
Herbarium: MAINE, FH

276 Physcia subtilis Degel.
Accepted Name: Physcia subtilis
Common Name: Slender Rock Rosette
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Noncalcareous rock
Conservation Status: Fairly common
Comments: Well-lit habitats
Reference: Thomson 1963
Herbarium: MAINE, FH

S Physcia syncolla Tuck. ex Nyl.
Accepted Name: Hyperphyscia syncolla

277 Physcia tenella (Scop.) DC.
Accepted Name: Physcia tenella
Common Name: Fringed Coastal Rosette
NE Distribution: ME,NH,VT
Substrate: Coastal rocks
Conservation Status: Locally common
Comments: 1 ME ssp. tenella; rest ssp. marina
Reference: Thomson 1963
Herbarium: MAINE, FH

278 Physciella chloantha (Ach.) Essl.
Accepted Name: Physciella chloantha
Common Name: Powdery-Margined Cryptic Rosette
NE Distribution: ME,NH,VT,MA,RI
Substrate: Trees and rocks
Conservation Status: Fairly common
Comments: =Physcia,Phaeophyscia chloantha
Reference: Parlin 1939, Esslinger 1978b
Herbarium: MAINE, TLE

279 Physciella melanchra (Hue) Essl.
Accepted Name: Physciella melanchra
Common Name: Mealy Cryptic Rosette
NE Distribution: ME,VT,MA
Substrate: Trees and rocks
Conservation Status: Uncommon
Comments: =Physcia,Phaeophyscia melanchra
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, TLE

S Physciopsis syncolla (Tuck.ex Nyl.) Poelt
Accepted Name: Hyperphscia syncolla

280 Physconia detersa (Nyl.) Poelt
Accepted Name: Physconia detersa
Common Name: Bottlebrush Frost Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees (rocks)
Conservation Status: Common
Comments: Common throughout ME
Reference: Sullivan 1996, Hinds & Hinds 2007
Herbarium: MAINE, MIN

281 Physconia enteroxantha (Nyl.) Poelt
Accepted Name: Physconia enteroxantha
Common Name: Yellow-Cored Frost Lichen
NE Distribution: ME,VT,MA
Substrate: Bark and mossy rocks
Conservation Status: R1
Comments: 2 sites in ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, TLE

282** Physconia grumosa Kashiw. & Poelt
Accepted Name: Physconia grumosa
Common Name: Bottlebrush Frost Lichen
NE Distribution: ME
Substrate: Trees (rocks)
Conservation Status: R2
Comments: Recent split from P. detersa
Reference: Esslinger & Dillman 2010
Herbarium: MAINE, MIN

283 Physconia leucoleiptes (Tuck.) Essl.
Accepted Name: Physconia leucoleiptes
Common Name: Bottlebrush Frost Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees (rocks)
Conservation Status: Fairly common
Comments: Formerly lumped with P. detersa
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, FH

S Phytoconis viridis (Ach.) Redhead & Kuyper
Accepted Name: Lichenomphalia hudsoniana

284** Pilophorus cereolus (Ach.) Th.Fr. in Hellbom
Accepted Name: Pilophorus cereolus
Common Name: Powdered Matchstick
NE Distribution: ME
Substrate: Rock
Conservation Status: R1
Comments: Two ME sites known
Reference: CNALH
Herbarium: MAINE (1988, P. L. Hinds), NY (2012, J. Lendemer)

285 Pilophorus fibula (Tuck.) Th.Fr.
Accepted Name: Pilophorus fibula
Common Name: New England Matchstick
NE Distribution: ME,NH,VT
Substrate: Rock
Conservation Status: G1, RH
Comments: 4 recent sites, in NGL, NB, & NC
Reference: Jahns 1981, Hinds & Hinds 2007
Herbarium: US

286 Placidium squamulosum (Ach.) Breuss
Accepted Name: Placidium squamulosum
Common Name: Limy Soil Stipple-Scale
NE Distribution: ME,VT,MA,CT
Substrate: Calcareous soil
Conservation Status: Uncommon
Comments: 3 sites in ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, NY

287 Placynthium asperellum (Ach.) Trevisan
Accepted Name: Placynthium asperellum
Common Name: Liliput Ink Lichen
NE Distribution: ME (Aroostook, Knox)
Substrate: Rocks
Conservation Status: R1
Comments: 2 sites in ME (and New England)
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE

288 Placynthium flabellosum (Tuck.) Zahlbr.
Accepted Name: Placynthium flabellosum
Common Name: Scaly Ink Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Moist rocks
Conservation Status: RH
Comments: 1 site in ME: Knox Co. (1912)
Reference: Henssen 1963
Herbarium: FH

289 Placynthium nigrum (Hudson) Gray
Accepted Name: Placynthium nigrum
Common Name: Common Ink Lichen
NE Distribution: ME,VT,MA,CT
Substrate: Calcareous rock
Conservation Status: Locally common
Comments: In ME only in Knox & Aroostook Co.
Reference: Henssen 1963
Herbarium: MAINE, FH

290 Platismatia glauca (L.) W.L.Culb. & C.F.Culb.
Accepted Name: Platismatia glauca
Common Name: Varied Rag Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees, rocks, (soil)
Conservation Status: Common, n N.E.
Comments: Common in northern & coastal ME
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, NBM

291 Platismatia tuckermanii (Oakes) W.L.Culb. & C.F.Culb.
Accepted Name: Platismatia tuckermanii
Common Name: Crumpled Rag Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees, esp. conifers
Conservation Status: Common, esp. nNE
Comments: Common throughout ME
Reference: Howe 1913b, Hinds & Hinds 2007
Herbarium: MAINE, NBM

292 Polycauliona polycarpa (Hoffm.) Frödén, Arup, & Søchting
Accepted Name: Polycauliona polycarpa
Common Name: Pin-Cushion Sunburst Lichen
NE Distribution: ME,NH,MA,RI
Substrate: Trees (rocks)
Conservation Status: Fairly common
Comments: =Xanthoria polycarpa
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

293 Polychidium muscicola (Sw.) Gray
Accepted Name: Polychidium muscicola
Common Name: Moss Wholly Bear
NE Distribution: ME,NH,VT
Substrate: Among mosses
Conservation Status: R1
Comments: 1 recent ME record
Reference: Hinds & Hinds 2007
Herbarium: FH, UMFK

294 Protopannaria pezizoides (Weber) P.M.Jørg. & S.Ekman
Accepted Name: Protopannaria pezizoides
Common Name: Moss-Shingle Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Damp moss or soil
Conservation Status: R2
Comments: in ME mostly downeast coastal
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

295 Pseudevernia cladonia (Tuck.) Hale & W.L.Culb.
Accepted Name: Pseudevernia cladonia
Common Name: Ghost Antler Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Brances, esp. conifers
Conservation Status: G3, R3
Comments: Old growth indicator
Reference: Eckfeldt 1894, Hale 1968
Herbarium: MAINE, NBM

296 Pseudevernia consocians (Vain.) Hale & W.L.Culb.
Accepted Name: Pseudevernia consocians
Common Name: Common Antler Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees, esp. conifers
Conservation Status: Fairly common
Comments: Scattered records in ME
Reference: Hale 1968
Herbarium: MAINE, FH

297 Pseudocyphellaria crocata (L.) Vainio
Accepted Name: Pseudocyphellaria crocata
Common Name: Yellow Specklebelly
NE Distribution: ME
Substrate: Trees
Conservation Status: R1
Comments: Less common than Ps. perpetua
Reference: Magnussan 1940-1941, Hinds & Hinds 2007
Herbarium: MAINE

298 Pseudocyphellaria perpetua McCune & Miadlikowska
Accepted Name: Pseudocyphellaria perpetua
Common Name: Yellow Specklebelly
NE Distribution: ME
Substrate: Trees
Conservation Status: R2
Comments: Split from Ps. crocata
Reference: Miadlikowska et al. 2002, Hinds & Hinds 2007
Herbarium: MAINE, NBM

S Psora anthracophila (Nyl.) Arnold
Accepted Name: Carbonicola anthracophila

S Psora friesii (Ach.) Hellb.
Accepted Name: Xylopsora friesii

299 Psora pseudorussellii Timdal
Accepted Name: Psora pseudorussellii
Common Name: Bordered Scale
NE Distribution: ME,VT,MA,RI,CT
Substrate: Calcareous rock
Conservation Status: R1
Comments: In ME 2 old specimens in Knox Co.
Reference: Hinds & Hinds 1998, 2007
Herbarium: FH

S Psora rufonigra (Tuck.) A.Schneider
Accepted Name: Psorula rufonigra

M Psora russellii (Tuck.) A.Schneider
Accepted Name: Psora pseudorussellii
Comments: for ME specimens

S Psora scalaris (Ach. ex Lilj.) Hook.
Accepted Name: Hypocenomyce scalaris

300 Psoroma hypnorum (Vahl) Gray
Accepted Name: Psoroma hypnorum
Common Name: Green Moss-Shingle
NE Distribution: ME,NH
Substrate: Moss
Conservation Status: RH
Comments: One 19th century record in ME
Reference: Eckfeldt 1894
Herbarium: NEBC

301* Psorula rufonigra (Tuck.) Gotth.Schneider
Accepted Name: Psorula rufonigra
Common Name: Blue-Edged Scale
NE Distribution: ME,VT,MA
Substrate: Spilonema revertens
Conservation Status: R1
Comments: 1 site in ME:Deer Isle (Hancock Co)
Reference: CNALH, Hinds & Hinds 2007
Herbarium: NBM

302* Punctelia appalachensis (W.L.Culb.) Krog
Accepted Name: Punctelia appalachensis
Common Name: Appalachian Speckled Shield
NE Distribution: ME,NH,VT,MA
Substrate: Deciduous trees
Conservation Status: G3, R2
Comments: Two sites in ME
Reference: CNALH, Hinds & Hinds 2007
Herbarium: OMA, UWSP

303 Punctelia caseana Lendemer & Hodkinson
Accepted Name: Punctelia caseana
Common Name: Powdered Speckled Shield
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees (rocks)
Conservation Status: Common
Comments: Not P. perreticulata, P. subrudecta
Reference: Lendemer & Hodkinson 2010
Herbarium: MAINE, FH

M Punctelia perreticulata (Räsänen) G.Wilh. & Ladd
Accepted Name: Punctelia caseana
Comments: for ME specimens

304 Punctelia rudecta (Ach.) Krog
Accepted Name: Punctelia rudecta
Common Name: Rough Speckled Shield
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees and rocks
Conservation Status: Common
Comments: Common throughout ME
Reference: Howe 1913b, Hinds & Hinds 2007
Herbarium: MAINE, NBM

M Punctelia subrudecta (Nyl.) Krog
Accepted Name: Punctelia caseana

305 Pycnothelia papillaria Dufour
Accepted Name: Pycnothelia papillaria
Common Name: Gnome Fingers
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Poor soils and rocks
Conservation Status: Common
Comments: Esp. common on blueberry barrens
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, NBM

306 Pyxine sorediata (Ach.) Mont.
Accepted Name: Pyxine sorediata
Common Name: Mustard Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees
Conservation Status: Common
Comments: Widespread throughout ME
Reference: Harvey 1896, Hinds & Hinds 2007
Herbarium: MAINE, FH

307 Ramalina americana Hale
Accepted Name: Ramalina americana
Common Name: Northern Sinewed Ramalina
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Canopy branches
Conservation Status: R3
Comments: in ENA not R.fastigiata, R. calicaris,
Reference: Hale 1978
Herbarium: MAINE, FH

308 Ramalina complanata (Sw.) Ach.
Accepted Name: Ramalina complanata
Common Name: Bumpy Ramalina
NE Distribution: ME,MA
Substrate: Trees, shrubs in open
Conservation Status: R1
Comments: In ME 1 collection, Knox Co (GKM)
Reference: Hinds & Hinds 2007
Herbarium: FH

309 Ramalina dilacerata . (Hoffm.) Hoffm
Accepted Name: Ramalina dilacerata
Common Name: Punctured Ramalina
NE Distribution: ME,NH,VT,MA
Substrate: Trees
Conservation Status: R3
Comments: Recent collections only in ME NH
Reference: Tuckerman 1882, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

310 Ramalina farinacea (L.) Ach.
Accepted Name: Ramalina farinacea
Common Name: Dotted Ramalina
NE Distribution: ME,NH,VT,MA,RI
Substrate: Trees
Conservation Status: R2
Comments: Old growth indicator
Reference: Eckfeldt 1896, Hinds & Hinds 2007
Herbarium: MAINE, FH

311 Ramalina intermedia (Delise eX Nyl.) Nyl.
Accepted Name: Ramalina intermedia
Common Name: Rock Ramalina
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Rocks (trees)
Conservation Status: Fairly common
Comments: Old growth indicator when on trees
Reference: Merrill 1910b, Bowler & Rundel 1974
Herbarium: MAINE, NBM

S Ramalina minuscula (Nyl.) Nyl.
Accepted Name: Ramalina dilacerata

312 Ramalina obtusata (Arnold) Bitter
Accepted Name: Ramalina obtusata
Common Name: Hooded Ramalina
NE Distribution: ME,VT
Substrate: Trees
Conservation Status: R1
Comments: One specimen each from ME & VT
Reference: Hinds & Hinds 2007
Herbarium: MAINE

313 Ramalina petrina Bowler & Rundel
Accepted Name: Ramalina petrina
Common Name: Dwarf Rock Ramalina
NE Distribution: ME,MA,CT
Substrate: Trees
Conservation Status: R1
Comments: One recent collection from ME
Reference: Hinds & Hinds 2007
Herbarium: MAINE

314 Ramalina pollinaria (Westr.) Ach.
Accepted Name: Ramalina pollinaria
Common Name: Chalky Ramalina
NE Distribution: ME,NH,VT,MA,RI
Substrate: Sheltered trees,rocks
Conservation Status: R2
Comments: Old growth indicator
Reference: Parlin 1939, Hinds & Hinds 2007
Herbarium: MAINE, CANL

315 Ramalina roesleri (Hochst. ex Schaerer) Hue
Accepted Name: Ramalina roesleri
Common Name: Frayed Ramalina
NE Distribution: ME,NH
Substrate: Trees (rocks)
Conservation Status: Fairly common
Comments: Old growth indicator
Reference: Howe 1914, Hinds & Hinds 2007
Herbarium: MAINE, FH

316 Ramalina thrausta (Ach.) Nyl.
Accepted Name: Ramalina thrausta
Common Name: Angel's Hair
NE Distribution: ME,NH,VT
Substrate: Trees (rocks)
Conservation Status: R2
Comments: Old growth indicator
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, MIN

317 Rhizoplaca subdiscrepans (Nyl.) R.Sant.
Accepted Name: Rhizoplaca subdiscrepans
Common Name: Orange Rock-Posy
NE Distribution: ME,NH,VT,MA,CT
Substrate: Acidic rock
Conservation Status: Fairly common
Comments: Most common near ocean
Reference: Hinds & Hinds 2007
Herbarium: MAINE, NEBC

S Rimelia reticulata (Taylor) Hale & Fletcher
Accepted Name: Parmotrema reticulatum

318 Rostania occultata (Bagl.) Otálora, P.M.Jørg. & Wedin
Accepted Name: Rostania occultata
Common Name: Cryptic Tree-Jelly
NE Distribution: ME,MA
Substrate: Bark
Conservation Status: R1
Comments: =Collema occultatum
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, FH

319 Rusavskia elegans (Link) S.Y.Kondr. & Kärnefelt
Accepted Name: Rusavskia elegans
Common Name: Elegant Sunburst Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Calc. & seashore rock
Conservation Status: Locally common
Comments: =Xanthoria elegans
Reference: Harvey 1894, Hinds & Hinds 1993a
Herbarium: MAINE, NBM

320** Rusavskia papillifera (Vain.) S.Y.Kondr. & Kärnefelt
Accepted Name: Rusavskia papillifera
Common Name: Papillate Sunburst Lichen
NE Distribution: ME
Substrate: Rock
Conservation Status: R1
Comments: =Xanthoria papillifera
Reference: CNALH
Herbarium: MAINE (Hinds 1993, Skowhegan, Somerset Co., Maine)

321 Rusavskia sorediata (Vain.) S.Y.Kondr. & Kärnefelt
Accepted Name: Rusavskia sorediata
Common Name: Sugared Sunburst Lichen
NE Distribution: ME,VT
Substrate: Calcareous rock
Conservation Status: R2
Comments: =Xanthoria sorediata
Reference: Hinds & Hinds 1993a
Herbarium: MAINE

322 Scytinium imbricatum (P.M.Jørg. ) Otálora, P.M.Jørg. & Wedin
Accepted Name: Scytinium imbricatum
Common Name: Scaly Jellyskin
NE Distribution: ME (Washington Co.)
Substrate: Calcareous soil
Conservation Status: R1
Comments: =Leptogium limbricatum
Reference: Hinds & Hinds 2007
Herbarium: MAINE

323 Scytinium lichenoides (L.) Otálora, P.M.Jørg. & Wedin
Accepted Name: Scytinium lichenoides
Common Name: Tattered Jellyskin
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Calcareous rocks
Conservation Status: Locally common
Comments: =Leptogium lichenoides
Reference: Sierk 1964
Herbarium: MAINE, FH

324 Scytinium tenuissimum (Dicks.) Otálora, P.M.Jørg. & Wedin
Accepted Name: Scytinium tenuissimum
Common Name: Lilliput Jellyskin
NE Distribution: ME,NH,MA,RI,CT
Substrate: Soil among mosses
Conservation Status: R1
Comments: =Leptogium tenuissimum
Reference: Cummings & Seymour 1894, Sierk 1964
Herbarium: MAINE, FH

325 Scytinium teretiusculum (Wallr.) Otálora, P.M.Jørg. & Wedin
Accepted Name: Scytinium teretiusculum
Common Name: Dwarf Lilliput Jellyskin
NE Distribution: ME,NH
Substrate: Trees
Conservation Status: R1
Comments: =Leptogium teretiusculum
Reference: Degelius 1940, Sierk 1964
Herbarium: MAINE, FH

326 Solorina saccata (L.) Ach.
Accepted Name: Solorina saccata
Common Name: Common Chocolate Chip Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Calcareous soil
Conservation Status: R1
Comments: 2 sites in ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, US

327 Sphaerophorus fragilis (L.) Pers.
Accepted Name: Sphaerophorus fragilis
Common Name: Fragile Coral Lichen
NE Distribution: ME,NH
Substrate: Alpine rocks
Conservation Status: R1
Comments: only site in ME is alpine Katahdin
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

M Sphaerophorus globosus (Huds.) Vain.
Accepted Name: Sphaerophorus tuckermanii (part)
NE Distribution: In NH & VT found in alpine zone
Comments: all S. "globosus" reported in ME are coastal & corticolous;

328 Sphaerophorus tuckermanii Räsänen
Accepted Name: Sphaerophorus globosus
Common Name: Tuckerman's Coral Lichen
NE Distribution: ME
Substrate: Corticolous on conifer
Conservation Status: R2
Comments: Most filed in herbaria as S.globosus
Reference: CNALH (WIS), Wedin et al. 2009
Herbarium: MAINE, FH (as S. globosus)

329 Spilonema paradoxum Bornet
Accepted Name: Spilonema paradoxum
Common Name: Matted Hairball Lichen
NE Distribution: ME,MA
Substrate: Moist acid rocks
Conservation Status: R1
Comments: 2 sites in ME (Camden & Katahdin)
Reference: Hinds & Hinds 2007
Herbarium: MAINE, FH

330 Spilonema revertens Nyl.
Accepted Name: Spilonema revertens
Common Name: Hairball Lichen
NE Distribution: ME,VT,RI
Substrate: Moist acid rocks
Conservation Status: R1
Comments: 2 ME sites (Cumberland, Katahdin)
Reference: Hinds & Hinds 2007
Herbarium: MAINE, UC

331 Stereocaulon alpinum Laurer ex Funck
Accepted Name: Stereocaulon alpinum
Common Name: Alpine Soil Foam
NE Distribution: ME,NH,VT
Substrate: Gravelly or sandy soil
Conservation Status: R2
Comments: Often in late snow areas
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE

332 Stereocaulon condensatum Hoffm.
Accepted Name: Stereocaulon condensatum
Common Name: Sandy Soil Foam
NE Distribution: ME,NH,MA,CT
Substrate: Sandy soil
Conservation Status: Uncommon
Comments: Ocassionally also on gravelly soil
Reference: Parlin 1939, Hinds & Hinds 2007
Herbarium: MAINE

333 Stereocaulon dactylophyllum Flörke
Accepted Name: Stereocaulon dactylophyllum
Common Name: Finger-Scale Foam Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Acid rocks
Conservation Status: Fairly common
Comments: Firmly attached to rocks
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, NBM (det. S.R.Clayden)

334 Stereocaulon glaucescens Tuck.
Accepted Name: Stereocaulon glaucescens
Common Name: Alpine Rock Foam
NE Distribution: ME,NH,VT,MA,CT
Substrate: Rocks
Conservation Status: Locally common
Comments: Endemic to northeastern NA
Reference: Lamb 1977, Hinds & Hinds 2007
Herbarium: MAINE, FH (det. I.M.Lamb)

335 Stereocaulon grande (H.Magn.) H.Magn
Accepted Name: Stereocaulon grande
Common Name: Grand Foam Lichen
NE Distribution: ME,NH,VT
Substrate: Gravelly soil
Conservation Status: R1
Comments: 19th century specimen in ME
Reference: Lamb 1977, Hinds & Hinds 2007
Herbarium: FH (det. I.M.Lamb)

336 Stereocaulon intermedium (Savicz) H.Magn.
Accepted Name: Stereocaulon intermedium
Common Name: Oceanic Foam Lichen
NE Distribution: ME,NH
Substrate: Rocks
Conservation Status: R2
Comments: Not just a Pacific NW species
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE

337 Stereocaulon nanodes Tuck.
Accepted Name: Stereocaulon nanodes
Common Name: Pixie-Scale Foam Lichen
NE Distribution: ME,NH,VT
Substrate: Damp sheltered rocks
Conservation Status: R2
Comments: 4 sites in ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE

338 Stereocaulon paschale (L.) Hoffm.
Accepted Name: Stereocaulon paschale
Common Name: Easter Lichen
NE Distribution: ME,NH,MA
Substrate: Mossy or gravelly soil
Conservation Status: Fairly common
Comments: Widespread throughout ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, NEBC (det. I.M.Lamb)

339 Stereocaulon pileatum Ach.
Accepted Name: Stereocaulon pileatum
Common Name: Pixie Foam Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Damp sheltered rocks
Conservation Status: Fairly common
Comments: Widespread throughout ME
Reference: Riddle 1910, Hinds & Hinds 2007
Herbarium: MAINE, NEBC (det. I.M.Lamb)

340 Stereocaulon saxatile H.Magn
Accepted Name: Stereocaulon saxatile
Common Name: Rock Foam Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Rocks
Conservation Status: Common
Comments: Common throughout ME
Reference: Lamb 1977, Hinds & Hinds 2007
Herbarium: MAINE, NEBC (det. I.M.Lamb)

341 Stereocaulon subcoralloides (Nyl.) Nyl.
Accepted Name: Stereocaulon subcoralloides
Common Name: Coralloid Foam Lichen
NE Distribution: ME,VT,CT
Substrate: Rocks
Conservation Status: R2
Comments: Boreal to subalpine habitats in ME
Reference: Lamb 1977, Hinds & Hinds 2007
Herbarium: MAINE, NY (det. W.R.Buck)

342 Stereocaulon symphycheilium I.M.Lamb
Accepted Name: Stereocaulon symphycheilium
Common Name: Two-Toned Rock Foam
NE Distribution: ME (Piscataquis Co.)
Substrate: Bare or mossy rocks
Conservation Status: R1
Comments: Katahdin is only known site in N.E.
Reference: Hinds & Hinds 2007
Herbarium: MAINE

343 Stereocaulon tennesseense H.Magn. ex Degel.
Accepted Name: Stereocaulon tennesseense
Common Name: Bony Finger Lichen
NE Distribution: ME (Aroostook Co.)
Substrate: Rocks
Conservation Status: R1
Comments: Deboullie rockslide only site in N.E.
Reference: Hinds & Hinds 2007
Herbarium: MAINE, NBM (det. P.L.Hinds)

344 Stereocaulon tomentosum Fr.
Accepted Name: Stereocaulon tomentosum
Common Name: Woolly Foam Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Soil (rocks)
Conservation Status: R2
Comments: Apparently declining in N.E.
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, NEBC (det. I.M.Lamb)

345 Sticta beauvoisii Delise
Accepted Name: Sticta beauvoisii
Common Name: Fringed Moon Lichen
NE Distribution: ME,VT,MA,CT
Substrate: Trees and rocks
Conservation Status: G3, RH
Comments: 19th century record from MDI
Reference: Hinds & Hinds 1998, 2007
Herbarium: US

346 Sticta fuliginosa (Hoffm.) Ach.
Accepted Name: Sticta fuliginosa
Common Name: Peppered Moon Lichen
NE Distribution: ME,MA
Substrate: Mossy trees (rocks)
Conservation Status: RH
Comments: .2 historic records, eastern ME
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: NEBC, MIN

347 Teloschistes chrysophthalmus (L.) Th.Fr.
Accepted Name: Teloschistes chrysophthalmus
Common Name: Gold-Eye Lichen
NE Distribution: ME,NH,MA,RI,CT
Substrate: Branches of trees
Conservation Status: RH
Comments: Two historic records in southern ME
Reference: Hinds & Hinds 1998, 2007
Herbarium: FH, PH

348 Thamnolia subuliformis (Ehrh.) Culb.
Accepted Name: Thamnolia subuliformis
Common Name: White Worm Lichen
NE Distribution: ME,NH,VT
Substrate: Tundra soils
Conservation Status: R2
Comments: In ME only known from Katahdin
Reference: Merrill, E. 1900, Hinds & Hinds 2007
Herbarium: MAINE, FH

349 Tuckermanella fendleri (Nyl.) Essl.
Accepted Name: Tuckermanella fendleri
Common Name: Dwarf Wrinkle-Lichen
NE Distribution: ME,VT,MA,RI
Substrate: Trees, esp. pitch pine
Conservation Status: Uncommon
Comments: in ME only in southern part
Reference: Merrill, G. 1920b, Hinds & Hinds 2007
Herbarium: MAINE, US

350 Tuckermannopsis americana (Sprengel) Hale
Accepted Name: Tuckermannopsis americana
Common Name: Fringed Wrintle-Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Tree branches
Conservation Status: Common
Comments: in ME most common of ciliaris group
Reference: Culberson & Culberson 1967, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

351 Tuckermannopsis ciliaris (Ach.) Gyelnik
Accepted Name: Tuckermannopsis ciliaris
Common Name: Fringed Wrintle-Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Tree branches
Conservation Status: Uncommon
Comments: in ME least common of ciliaris group
Reference: Culberson & Culberson 1967, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

352 Tuckermannopsis orbata (Nyl.) M.J.Lai
Accepted Name: Tuckermannopsis orbata
Common Name: Variable Wrinkle-Lichen
NE Distribution: ME,NH,VT,CT
Substrate: Tree branches
Conservation Status: Fairly common
Comments: in ME less common than T. ciliaris
Reference: Culberson & Culberson 1967, Hinds & Hinds 2007
Herbarium: MAINE, FH

353 Tuckermannopsis sepincola (Ehrh.) Hale
Accepted Name: Tuckermannopsis sepincola
Common Name: Chestnut Wrinkle-Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Tree branches
Conservation Status: Locally common
Comments: Boreal habitats
Reference: Greenwood 1927, Hinds & Hinds 2007
Herbarium: MAINE, FH

354 Umbilicaria americana Poelt & T.Nash
Accepted Name: Umbilicaaria americana
Common Name: Frosted Rock Tripe
NE Distribution: ME,NH,VT
Substrate: Rocks
Conservation Status: Common
Comments: Split from U. vellea s. lat.
Reference: Poelt & Nash 1993, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

355 Umbilicaria cylindrica (L.) Delise ex Duby
Accepted Name: Umbilicaria cylindrica
Common Name: Fringed Rock Tripe
NE Distribution: ME,NH
Substrate: Siliceous rocks
Conservation Status: R1
Comments: 2 confirmed sites in ME
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

356 Umbilicaria deusta (L.) Baumg.
Accepted Name: Umbilicaria deusta
Common Name: Peppered Rock Tripe
NE Distribution: ME,NH,VT
Substrate: Siliceous rocks
Conservation Status: Common
Comments: Northern New England only
Reference: Tuckerman 1882, Hinds & Hinds 2007
Herbarium: MAINE, NBM

357 Umbilicaria hirsuta (Sw. ex Westr.) Hoffm.
Accepted Name: Umbilicaria hirsuta
Common Name: Granular Rock Tripe
NE Distribution: ME,NH,VT
Substrate: Siliceous rocks
Conservation Status: R2
Comments: Often in seepage channels
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, NY

358 Umbilicaria hyperborea (Ach.) Hoffm.
Accepted Name: Umbilicaria hyperborea
Common Name: Blistered Rock Tripe
NE Distribution: ME,NH,VT
Substrate: Siliceous rocks
Conservation Status: Locally common
Comments: Mostly alpine
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

359 Umbilicaria mammulata (Ach.) Tuck.
Accepted Name: Umbilicaria mammulata
Common Name: Smooth Rock Tripe
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Rocks
Conservation Status: Common
Comments: Common throughout ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, NBM

360 Umbilicaria muhlenbergii (Ach.) Tuck.
Accepted Name: Umbilicaria muhlenbergii
Common Name: Plated Rock Tripe
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Rocks
Conservation Status: Common
Comments: var. alpina found on Katahdin in ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, NBM

S Umbilicaria papulosa (Ach.) Nyl.
Accepted Name: Lasallia papulosa

S Umbilicaria pensylvanica Hoffm.
Accepted Name: Lasallia pensylvanica

361 Umbilicaria polyphylla (L.) Baumg.
Accepted Name: Umbilicaria polyphylla
Common Name: Petaled Rock Tripe
NE Distribution: ME,NH,VT
Substrate: Nutrient-enriched rocks
Conservation Status: R2
Comments: Several ME sites on MDI, 1 inland
Reference: Tuckerman 1882, Hinds & Hinds 2007
Herbarium: MAINE, MIN

362** Umbilicaria polyrhiza (L.) Fr.
Accepted Name: Umbilicaria polyrhiza
Common Name: Ballpoint Rock Tripe
NE Distribution: ME (Hancock Co.)
Substrate: Rocks
Conservation Status: RH
Comments: One confirmed site on MDI in ME
Reference: CNALH
Herbarium: MICH (collected by C.C.Plitt, annotated by G. Llano in 1947)

363 Umbilicaria proboscidea (L.) Schrader
Accepted Name: Umbilicaria proboscidea
Common Name: Netted Rock Tripe
NE Distribution: ME,NH,VT
Substrate: Siliceous rocks
Conservation Status: R2
Comments: Strictly alpine
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, NBM

364 Umbilicaria torrefacta (Lightf.) Schrader
Accepted Name: Umbilicaria torrefacta
Common Name: Punctured Rock Tripe
NE Distribution: ME,NH,VT
Substrate: Siliceous rocks
Conservation Status: Locally common
Comments: Alpine & subalpine mountaintops
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

365 Umbilicaria vellea (L.) Hoffm.
Accepted Name: Umbilicaria vellea
Common Name: Arctic Frosted Rock Tripe
NE Distribution: ME,NH
Substrate: Rocks
Conservation Status: R1
Comments: Only site in ME is alpine Katahdin
Reference: Poelt & Nash 1993, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

366 Usnea cavernosa Tuck.
Accepted Name: Usnea cavernosa
Common Name: Pitted Beard Lichen
NE Distribution: ME,NH,VT
Substrate: Trees, esp. conifers
Conservation Status: R2
Comments: Old growth indicator
Reference: Howe 1910, Hinds & Hinds 2007
Herbarium: MAINE, NBM

367 Usnea ceratina Ach.
Accepted Name: Usnea ceratina
Common Name: Warty Beard Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Trees (rocks)
Conservation Status: R3
Comments: Includes U. pachyclada from ME
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

368** Usnea chaetophora Stirt.
Accepted Name: Usnea chaetophora
Common Name: Articulated Beard
NE Distribution: ME
Substrate: Trees
Conservation Status: R1
Comments: Oxford, Knox & Hancock counties
Reference: CNALH
Herbarium: FH and NEBC (3 ME sites, all ID'd as U. chaetophora by P. Clerc)

S Usnea comosa auct.
Accepted Name: Usnea subfloridana

369 Usnea cornuta Körb.
Accepted Name: Usnea cornuta
Common Name: Inflated Beard Lichen
NE Distribution: ME,NH
Substrate: Trees (rocks)
Conservation Status: Locally common
Comments: in ME found along downeast coast
Reference: Hinds & Hinds 2007
Herbarium: MAINE (identified by P. Clerc), NY

370 Usnea dasaea Stirt.
Accepted Name: Usnea dasaea
Common Name: Fibrillose Beard Lichen
NE Distribution: ME,NH,MA,CT
Substrate: Trees
Conservation Status: RH
Comments: 1 site in Manchester in 19th century
Reference: Clerc & Herrera-Campos 1997, Hinds & Hinds 2007
Herbarium: US (Sargent, Kenn.Co.)

371 Usnea dasypoga (Ach.) Nyl.
Accepted Name: Usnea dasypoga
Common Name: Fishbone Beard Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Trees
Conservation Status: Common
Comments: =U. filipendula
Reference: Howe 1909, Hinds & Hinds 2007
Herbarium: MAINE, FH

372 Usnea diplotypus Vain.
Accepted Name: Usnea diplotypus
Common Name: Ragged Beard Lichen
NE Distribution: ME,NH
Substrate: Trees
Conservation Status: R1
Comments: Two sites in Penobscot Co., ME
Reference: Hinds & Hinds 2007
Herbarium: MAINE (identified by P. Clerc)

S Usnea evansii Mot.
Accepted Name: Usnea strigosa
Comments: unlike 2015 NA checklist, considered synonymous with U. strigosa

S Usnea filipendula Stirt.
Accepted Name: Usnea dasypoga

373 Usnea flammea Stirt.
Accepted Name: Usnea flammea
Common Name: Coastal Bushy Beard Lichen
NE Distribution: ME
Substrate: Trees (rocks)
Conservation Status: R5
Comments: All sites in downeast coastal ME
Reference: Hinds & Hinds 2007
Herbarium: MAINE, NY

374 Usnea flavocardia Räsänen
Accepted Name: Usnea flavocardia
Common Name: Red-Spotted Beard Lichen
NE Distribution: ME (Knox Co.)
Substrate: Trees
Conservation Status: R2
Comments: Vinalhaven Island, 1995
Reference: Hinds & Hinds 2007
Herbarium: MAINE (identified by P. Clerc)

375 Usnea fulvoreagens (Räsänen) Räsänen
Accepted Name: Usnea fulvoreagens
Common Name: Powdered Beard Lichen
NE Distribution: ME,NH,CT
Substrate: Trees
Conservation Status: Fairly common
Comments: Some merge with U. glabrescens
Reference: Hinds & Hinds 2007
Herbarium: MAINE, FH

376 Usnea glabrescens (Nyl. ex Vain.) Vain.
Accepted Name: Usnea glabrescens
Common Name: Speckled Beard Lichen
NE Distribution: ME,NH
Substrate: Trees
Conservation Status: R2
Comments: U. glabrescens s.s. rare
Reference: Hinds & Hinds 2007
Herbarium: MAINE, FH (identified by P. Clerc)

S Usnea hesperina Mot.
Accepted Name: Usnea subgracilis

377 Usnea hirta (L.) F.H.Wigg.
Accepted Name: Usnea hirta
Common Name: Bristly Beard Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees and lignum
Conservation Status: Common
Comments: Not restricted to coastal ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, NY

378** Usnea lapponica Vain.
Accepted Name: Usnea lapponica
Common Name: Powdered Beard Lichen
NE Distribution: ME
Substrate: Trees
Conservation Status: R1
Comments: Clerc ID'd record from Deboullie Mt.
Reference: CNALH
Herbarium: MAINE (Hinds, 1988, Deboullie Mt., Aroostook Co.), UMFK

379 Usnea longissima Ach.
Accepted Name: Usnea longissima
Common Name: Methuselah's Beard Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Confier trees
Conservation Status: R3
Comments: Old growth indicator
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

380** Usnea macaronesica P.Clerc
Accepted Name: Usnea macaronesica
Common Name: Powdered Beard Lichen
NE Distribution: ME (Washington Co.)
Substrate: Trees
Conservation Status: R1
Comments: Great Wass Island
Reference: Clerc 2011
Herbarium: MAINE (Hinds, 2006, identified by P. Clerc)

S Usnea madeirensis Mot.
Accepted Name: Usnea silesiaca

381 Usnea merrillii Mot.
Accepted Name: Usnea merrillii
Common Name: Beaded Beard Lichen
NE Distribution: ME,NH,MA,CT
Substrate: Trees
Conservation Status: R3
Comments: Downeast coastal ME
Reference: Motyka 1936-1938, Hinds & Hinds 2007
Herbarium: MAINE, FH

382 Usnea mutabilis Stirt.
Accepted Name: Usnea mutabalis
Common Name: Bloody Beard Lichen
NE Distribution: ME,NH,MA,CT
Substrate: Trees
Conservation Status: Uncommon
Comments: Southern & central ME
Reference: Davis 1964, Hinds & Hinds 2007
Herbarium: MAINE, FH

S Usnea pachyclada Mot.
Accepted Name: Usnea ceratina

S Usnea pensylvanica (Hoffm.) Llano
Accepted Name: Usnea rubicunda

383** Usnea praetervisa (Asah.) P.Clerc
Accepted Name: Usnea praetervisa
Common Name: Powdered Beard Lichen
NE Distribution: ME
Substrate: Trees
Conservation Status: R1
Comments: 2 ME SITES (Wash., Waldo Co.)
Reference: CNALH
Herbarium: MAINE (Hinds, 2006, identified by P. Clerc), NY

384 Usnea rubicunda Stirt.
Accepted Name: Usnea rubicunda
Common Name: Red Beard Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees
Conservation Status: R1
Comments: 2 ME sites (Washington, York Co.)
Reference: Motyka 1936-1938, Hinds & Hinds 2007
Herbarium: MAINE, NY

S Usnea rubigenea (Michx.) A.Massal.
Accepted Name: Usnea strigosa

S Usnea scabiosa Mot.
Accepted Name: Usnea scabrata

385* Usnea scabrata Nyl.
Accepted Name: Usnea scabrata
Common Name: Straw Beard Lichen
NE Distribution: ME,NH,VT
Substrate: Trees
Conservation Status: R2
Comments: Both ME collections MDI, 19th C
Reference: CNALH
Herbarium: FH and NEBC (Tuckerman, Eckfeldt, identified by P. Clerc)

S Usnea schadenbergiana Gopp. & Stein
Accepted Name: Usnea subgracilis

386 Usnea silesiaca Mot.
Accepted Name: Usnea silesiaca
Common Name: Blackened Beard Lichen
NE Distribution: ME
Substrate: Trees
Conservation Status: R2
Comments: All sites in downeast coastal ME
Reference: Hinds & Hinds 2007
Herbarium: MAINE, FH

387 Usnea strigosa (Ach.) Eaton
Accepted Name: Usnea strigosa
Common Name: Bushy Beard Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees, esp canopy br.
Conservation Status: Fairly common
Comments: Includes U. tristis & U. evansii
Reference: Hale 1962, Hinds & Hinds 2007
Herbarium: MAINE, NBM

388 Usnea subfloridana Stirt.
Accepted Name: Usnea subfloridana
Common Name: Common Beard Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees
Conservation Status: Common
Comments: Most common Usnea in ME
Reference: Motyka 1936-1938, Hinds & Hinds 2007
Herbarium: MAINE, FH

389 Usnea subfusca Stirt.
Accepted Name: Usnea subfusca
Common Name: Bushy Beard Lichen
NE Distribution: ME,NH,VT,RI
Substrate: Trees, esp canopy br.
Conservation Status: R1
Comments: FH specimen seen by P. Clerc
Reference: Hinds & Hinds 2007
Herbarium: MAINE, FH

390 Usnea subgracilis Vain.
Accepted Name: Usnea subgracilis
Common Name: Silken Beard Lichen
NE Distribution: ME,NH,MA,CT
Substrate: Trees (rocks)
Conservation Status: Locally common
Comments: =U. schadenbergiana
Reference: Motyka 1936-1938 (as U. hesperina), Hinds & Hinds 2007
Herbarium: MAINE, FH

391** Usnea subrubicunda P.Clerc
Accepted Name: Usnea subrubicunda
Common Name: False Red Beard Lichen
NE Distribution: ME
Substrate: Trees
Conservation Status: Locally common
Comments: Recently described (Clerc 2011)
Reference: Clerc 2011
Herbarium: MAINE (identified by P. Clerc), FH (isotype)

M Usnea subscabrosa Mot.
Accepted Name: Usnea subrubicunda
Common Name: Horny Beard Lichen
NE Distribution: ME,MA
Substrate: Trees (rocks)
Conservation Status: R2
Comments: Confused with U. subrubicunda
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, NY

392 Usnea substerilis Mot.
Accepted Name: Usnea substerilis
Common Name: Embossed Beard Lichen
NE Distribution: ME
Substrate: Trees
Conservation Status: RH
Comments: for ME specimens
Reference: Hinds & Hinds 2007
Herbarium: FH (Howe collection)

393 Usnea trichodea Ach.
Accepted Name: Usnea trichodea
Common Name: Smooth Beard Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees
Conservation Status: R3
Comments: Old growth indicator
Reference: Howe 1909, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

S Usnea tristis Mot.
Accepted Name: Usnea strigosa
Comments: unlike 2015 NA checklist, considered synonymous with U. strigosa

394 Usnea wasmuthiii Räsänen
Accepted Name: Usnea wasmuthii
Common Name: Broom Beard Lichen
NE Distribution: ME
Substrate: Trees
Conservation Status: R1
Comments: ME sites in downeast coastal region
Reference: Hinds & Hinds 2007
Herbarium: MAINE (Hinds, 2006, Steuben, Washington Co.)

395 Usnocetraria oakesiana (Tuck.) M.J.Lai & C.J.Wei
Accepted Name: Usnocetraria oakesiana
Common Name: Yellow-Green Ribbon Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: conifer bark (rocks)
Conservation Status: Common
Comments: Great Lakes-Appalachian endemic
Reference: Eckfeldt 1894, Hale 1956
Herbarium: MAINE, FH

396 Vahliella hookerioides (P.M.Jørg.) P.M.Jørg.
Accepted Name: Vahliella hookerioides
Common Name: Black-Buttoned Rock Shingle
NE Distribution: ME (Aroostook),MA
Substrate: Rocks
Conservation Status: R1
Comments: =Fuscopannaria hookerioides
Reference: Hinds & Hinds 2007
Herbarium: MAINE

397 Vahliella leucophaea (Vahl) P.M.Jørg.
Accepted Name: Vahliella leucophaea
Common Name: Brown-Buttoned Rock Shingle
NE Distribution: ME,VT,MA,RI,CT
Substrate: Moist rocks
Conservation Status: Uncommon
Comments: =Fuscopannaria leucophaea
Reference: Merrill 1912, Hinds & Hinds 2007
Herbarium: MAINE, FH

398 Vulpicida pinastri (Scop.) J.-E.Mattson & M.J.Lai
Accepted Name: Vulpicida pinastri
Common Name: Powdery Sunshine Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Trees, lignum, rocks
Conservation Status: Locally common
Comments: boreal habitats
Reference: Eckfeldt 1894, Hinds & Hinds 2007
Herbarium: MAINE, NBM

399 Vulpicida viridis (Schwein. ex Halsey) Mattsson & M.J.Lai
Accepted Name: Vulpicida viridis
Common Name: Hidden Sunshine Lichen
NE Distribution: ME,NH,MA,RI,CT
Substrate: Atlantic white cedar
Conservation Status: R1
Comments: 2 sites in ME
Reference: Merrill 1920b, Hinds & Hinds 2007
Herbarium: MAINE

400 Xanthomendoza fallax (Hepp) Søchting, Kärnefelt & S.Y.Kondr.
Accepted Name: Xanthomendoza fallax
Common Name: Hooded Sunburst Lichen
NE Distribution: ME,VT,MA,CT
Substrate: Roadside trees
Conservation Status: R2
Comments: =Xanthoria fallax
Reference: Hinds & Hinds 1993b, 2007
Herbarium: MAINE, FH

M Xanthomendoza fulva (Hoffm.) Søchting, Kärnefelt & S.Y.Kondr.
Accepted Name: Xanthomendoza weberi

401 Xanthomendoza hasseana (Räsänen) Søchting et al.
Accepted Name: Xanthomendoza hasseana
Common Name: Poplar Sunburst Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Trees, esp. Populus
Conservation Status: Fairly common
Comments: =Xanthoria hasseana
Reference: Lindblom 1997, Hinds & Hinds 2007
Herbarium: MAINE, NEBC

402 Xanthomendoza ulophyllodes (Räsänen) Søchting et al.
Accepted Name: Xanthomendoza ulophyllodes
Common Name: Powdery Sunburst Lichen
NE Distribution: ME,NH,VT,MA,CT
Substrate: Trees (rocks)
Conservation Status: Fairly common
Comments: =Xanthoria ulophyllodes
Reference: Hinds & Hinds 1993b, 2007
Herbarium: MAINE

403 Xanthomendoza weberi (S.Y.Kondr. & Kärnefelt) L.Lindblom
Accepted Name: Xanthomendoza weberi
Common Name: Bare-Bottomed Sunburst Lichen
NE Distribution: ME,NH,MA,RI,CT
Substrate: Trees (rocks)
Conservation Status: R1
Comments: One ME site
Reference: Lindblom 2006, Hinds & Hinds 2007
Herbarium: MAINE

404 Xanthoparmelia angustiphylla (Gyeln.) Hale
Accepted Name: Xanthoparmelia angustiphylla
Common Name: Shingled Rock-Shield
NE Distribution: ME,NH,VT,MA,CT
Substrate: Rocks
Conservation Status: Uncommon
Comments: =X. hypopsila
Reference: Hinds & Hinds 1998, 2007
Herbarium: MAINE, FH

S Xanthoparmelia centrifuga (L.) Hale
Accepted Name: Arctoparmelia centrifuga

405 Xanthoparmelia conspersa (Ehrh. ex Ach.) Hale
Accepted Name: Xanthoparmelia conspersa
Common Name: Peppered Rock-Shield
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Rocks (lignum, bark)
Conservation Status: Common
Comments: Common throughout ME
Reference: Harvey 1894, Hinds & Hinds 2007
Herbarium: MAINE, FH

406 Xanthoparmelia cumberlandia (Gyeln.) Hale
Accepted Name: Xanthoparmelia cumberlandia
Common Name: Cumberland Rock-Shield
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Rocks
Conservation Status: Common
Comments: Holotype is from Cumberland, ME
Reference: Hale, 1967, Hinds & Hinds 2007
Herbarium: MAINE, NBM

407 Xanthoparmelia hypofusca (Gyeln.) Hodkinson & Lendemer
Accepted Name: Xanthoparmelia hypofusca
Common Name: Shingled Rock-Shield
NE Distribution: ME,VT,MA,RI,CT
Substrate: Rocks
Conservation Status: Uncommon
Comments: =X. tasmanica
Reference: Sullivan 1996, Hinds & Hinds 2007
Herbarium: NY, US

M Xanthoparmelia hypopsila (Müll. Arg.) Hale
Accepted Name: Xanthoparmelia angustiphylla

S Xanthoparmelia incurva (Pers.) Pers.
Accepted Name: Arctoparmelia incurva

408 Xanthoparmelia plittii (Gyeln.) Hale
Accepted Name: Xanthoparmelia plittii
Common Name: Plitt's Rock-Shield
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Rocks
Conservation Status: Fairly common
Comments: Named after C. C. Plitt from MD
Reference: Sullivan 1996, Hinds & Hinds 2007
Herbarium: MAINE, NY

M Xanthoparmelia somloënsis (Gyelnik) Hale
Accepted Name: Xanthoparmelia viriduloumbrina

M Xanthoparmelia taractica (Kremp.) Hale
Accepted Name: Xanthoparmelia viriduloumbrina

M Xanthoparmelia tasmanica (Hook. f. & Taylor) Hale
Accepted Name: Xanthoparmelia hypofusca

409 Xanthoparmelia viriduloumbrina (Gyeln.) Lendemer
Accepted Name: Xanthoparmelia viriduloumbrina
Common Name: Shingled Rock-Shield
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Rocks
Conservation Status: Common
Comments: =X. taractica, X. somloënsis
Reference: Hale 1955, Hinds & Hinds 2007
Herbarium: MAINE, NY

S Xanthoria papillifera (Vain.) Poelt
Accepted Name: Rusavskia papillifera

M Xanthoria candelaria (L.) Th.Fr.
Accepted Name: Xanthomendoza weberi

S Xanthoria elegans (Link) Th.Fr.
Accepted Name: Rusavskia elegans

S Xanthoria fallax (Hepp.) Arnold
Accepted Name: Xanthomendoza fallax

M Xanthoria fulva (Hoffm.) Poelt & Petut.
Accepted Name: Xanthomendoza weberi

S Xanthoria hasseana Räsänen
Accepted Name: Xanthomendoza hasseana

410 Xanthoria parietina (L.) Th.Fr.
Accepted Name: Xanthoria parietina
Common Name: Wall Lichen
NE Distribution: ME,NH,VT,MA,RI,CT
Substrate: Trees and rocks
Conservation Status: Locally common
Comments: Found near influence of sea breeze
Reference: Eckfeldt 1894, Hinds & Hinds 1993a
Herbarium: MAINE, NBM

S Xanthoria polycarpa (Hoffm.) Rieber
Accepted Name: Polycauliona polycarpa

S Xanthoria sorediata (Vainio) Poelt
Accepted Name: Rusavskia sorediata

S Xanthoria ulophyllodes Räsänen
Accepted Name: Xanthomendoza ulophyllodes

411 Xylopsora friesii (Ach.) Bendiksby & Timdal
Accepted Name: Xylopsora friesii
Common Name: Fruiting Clam Lichen
NE Distribution: ME,NH,VT,MA
Substrate: Conifer bark & wood
Conservation Status: Uncommon
Comments: =Hypocenomyce friesii
Reference: Sullivan 1996, Hinds & Hinds 2007
Herbarium: MAINE, NY