Usage notes at page bottom.
Adiantum aleuticum - Aleutian Maidenhair Fern - ME VT
Adiantum pedatum - Northern Maidenhair - NB NS CT ME MA NH RI VT
Adiantum viridimontanum - Green Mountain Maidenhair - ME VT
Amauropelta noveboracensis - New York Fern - NB NS CT ME MA NH RI VT
Anchistea virginica - Virginia Chain Fern - NB NS CT ME MA NH RI VT
Asplenium montanum - Mountain Spleenwort - CT MA RI VT
Asplenium platyneuron - Ebony Spleenwort - CT MA NH RI VT ME
Asplenium rhizophyllum - Walking Fern - CT MA VT ME NH RI
Asplenium ruta-muraria - Wallrue Spleenwort - CT MA VT
Asplenium trichomanes - Delicate Maidenhair Spleenwort - CT MA ME NH VT RI
Asplenium viride - Green Spleenwort - ME VT
Athyrium angustum - Northern Lady Fern - NB NS CT ME MA NH RI VT
Athyrium asplenioides - Southern Lady Fern - CT MA RI
Athyrium filix-femina = Athyrium angustum
Azolla caroliniana = Azolla cristata
Azolla cristata - Carolina Mosquito Fern - CT ME MA NH
Botrychium angustisegmentum - Narrow Triangle Moonwort - NB NS CT ME NH VT MA RI
Botrychium ascendens - Upswept Moonwort - VT
Botrychium campestre - Prairie Moonwort - VT
Botrychium dissectum = Sceptridium dissectum
Botrychium lanceolatum ssp. angustisegmentum = Botrychium angustisegmentum in New England
Botrychium lunaria = Botrychium neolunaria
Botrychium matricariifolium - Daisy-Leaved Grapefern - NB NS CT ME NH VT MA RI
Botrychium minganense - Mingan Moonwort - NB NS ME VT
Botrychium multifidum = Sceptridium multifidum
Botrychium neolunaria - Common Moonwort - ME VT
Botrychium oneidense = Sceptridium oneidense
Botrychium pallidum - Pale Moonwort - ME
Botrychium rugulosum = Sceptridium rugulosum
Botrychium simplex - Least Grapefern - NB NS ME NH RI CT MA VT
Botrychium tenebrosum - Swamp Moonwort - CT MA ME NH VT
Botrychium virginianum = Botrypus virginianus
Botrypus virginianus - Rattlesnake Fern - NB NS CT MA ME NH VT RI
Cheilanthes lanosa = Myriopteris lanosa
Claytosmunda claytoniana - Interrrupted Fern - NB NS CT ME MA NH RI VT
Coryphoteris simulata - Bog Fern, Massachusetts Fern - CT MA ME NH RI VT
Crepidomanes intricatum - Appalachian Bristle Fern - CT MA NH VT
Cryptogramma stelleri - Slender Rockbrake - VT CT ME MA NH
Cystopteris bulbifera - Bulblet Fragile Fern - NB NS CT ME MA NH RI VT
Cystopteris fragilis - Fragile Fern - NB NS CT ME MA NH RI VT
Cystopteris laurentiana - Laurentian Fragile Fern - NB NS CT MA VT
Cystopteris protrusa - Southern Fragile Fern - CT MA
Cystopteris tenuis Upland Fragile Fern - NB NS CT ME MA NH RI VT
Dennstaedtia punctilobula = Sitobolium punctilobulum
Deparia acrostichoides - Silvery False Spleenwort - NB NS CT ME MA NH RI VT
Diplazium pycnocarpon = Homolosorus pycnocarpos
Dryopteris campyloptera - Mountain Wood Fern - NB NS CT ME MA NH VT CT
Dryopteris carthusiana - Spinulose Wood Fern - NB NS CT ME MA NH RI VT
Dryopteris clintoniana - Clinton's Wood Fern - NB CT ME MA NH RI VT
Dryopteris cristata - Crested Wood Fern - NB NS CT ME MA NH RI VT
Dryopteris filix-mas - Male Wood Fern - ME NH RI VT
Dryopteris fragrans - Fragrant Wood Fern - NB NS ME NH VT
Dryopteris goldiana - Goldie's Wood Fern - NB MA NH VT CT ME
Dryopteris intermedia - Evergreen Wood Fern - NB NS CT ME MA NH RI VT
Dryopteris marginalis - Marginal Wood Fern - NB NS CT ME MA NH RI VT
Dryopteris spinulosa = Drypoteris carthusiana
Dryopteris ×boottii - Boott's Wood Fern - NB NS CT ME MA NH VT
Dryopteris ×triploidea - Triploid Wood Fern - NB NS CT ME MA NH
Gymnocarpium dryopteris - Northern Oak Fern - NB NS CT ME MA NH VT RI
Gymnocarpium jessoense - Asian Oak Fern - VT
Homolosorus pycnocarpos - Narrow-Leaved Glade Fern - MA VT CT NH
Lygodium palmatum - American Climbing Fern - MA NH RI VT
Lorinseria areolata - Netted Chain Fern - NS CT MA RI ME NH
Marsilea quadrifolia - European Water Clover - CT ME MA
Matteuccia struthiopteris - Ostrich Fern - NB NS CT ME MA NH VT RI
Myriopteris lanosa - Hairy Lipfern - CT
Onoclea sensibilis - Sensitive Fern - NB NS CT ME MA NH RI VT
Ophioglossum pusillum - Northern Adder's Tongue Fern - NB NS CT ME MA NH RI VT
Osmunda cinnamomea = Osmundastrum cinnamomeum
Osmunda claytoniana = Claytosmunda claytoniana
Osmunda regalis var spectabilis = Osmunda spectabilis
Osmunda spectabilis - Royal Fern - NB NS CT ME MA NH RI VT
Osmundastrum cinnamomeum - Cinnamon Fern - NB NS CT ME MA NH RI VT
Parathelypteris noveboracensis = Amauropelta noveboracensis
Parathelypteris simulata = Coryphoteris simulata
Pellaea atropurpurea - Purple Cliffbrake - VT CT
Pellaea glabella - Smooth Cliffbrake - CT MA VT NH RI
Phegopteris connectilis - Long Beech Fern - NB NS CT ME MA NH VT RI
Phegopteris excelsior - Tall Beech Fern - ME NH NS QC VT
Phegopteris hexagonoptera - Broad Beech Fern - CT MA NH RI ME VT
Physematium obtusa - Blunt-lobed Cliff Fern - CT MA RI VT NH ME
Polypodium appalachianum - Appalachian Polypody - NB NS CT ME MA NH RI VT
Polypodium virginianum - Rock Polypody - NB NS CT ME MA NH RI VT
Polystichum acrostichoides- Christmas Fern - NB NS CT ME MA NH RI VT
Polystichum braunii - Braun's Hollyfern - NB NS CT ME NH VT MA
Pteridium aquilinum - Bracken Fern - NB NS CT ME MA NH RI VT
Sceptridium dissectum - Cutleaf Grapefern - NB NS CT ME MA NH RI VT
Sceptridium multifidum - Leathery Grapefern - NB NS CT ME MA NH RI VT
Sceptridium oneidense - Blunt-Lobed Grapefern - NB NS CT ME MA NH RI VT
Sceptridium rugulosum - St. Lawrence Grapefern - CT VT
Sitobolium punctilobulum - Eastern Hayscented Fern - NB NS CT ME MA NH RI VT
Thelypteris noveboracensis = Amauropelta noveboracensis
Thelypteris palustris - Eastern Marsh Fern - NB NS CT ME MA NH RI VT
Trichomanes intricatum = Crepidomanes intricatum
Woodsia alpina - Northern Cliff Fern - NB NS ME VT
Woodsia glabella - Smooth Cliff Fern - NB NS ME MA NH VT
Woodsia ilvensis - Rusty Cliff Fern - NB NS CT ME MA NH VT
Woodsia obtusa = Physematium obtusa
Woodwardia areolata = Lorinseria areolata
Woodwardia virginica = Anchistea virginica
Species listed in bold are very common in most northeast States and Provinces.
Distribution is listed after the common name with rare species (S1 S2) in red.
Common names are mostly from GoBotany but are a compromise based on multiple sources.
Select synonyms have been added to enhance the usefulness of the books and links listed on the Ferns page of this site.
Errors, improvements or suggestions? Email info@DigitalNaturalist.INFO.
last update 2024-Apr-7