Index of seedless plants
| Species | Common Name | Family |
| Adiantum pedatum | Maidenhair Fern | Pteridaceae |
| Asplenium platyneuron | Ebony Spleenwort | Aspleniaceae |
| Asplenium rhizophyllum | Walking Fern | Aspleniaceae |
| Asplenium ruta-muraria | Wall-rue | Aspleniaceae |
| Asplenium scolopendrium | American Hart's Tonguefern | Aspleniaceae |
| Asplenium trichomanes | Maidenhair Spleenwort | Aspleniaceae |
| Athyrium angustum | Northern Lady Fern | Woodsiaceae |
| Botrychium angustisegmentum | Narrow Triangle Moonwort | Ophioglossaceae |
| Botrychium campestre | Prairie Moonwort | Ophioglossaceae |
| Botrychium dissectum | Cutleaf grapefern | Ophioglossaceae |
| Botrychium matricariifolium | Daisy-leaved Moonwort | Ophioglossaceae |
| Botrychium minganense | Mingan Moonwort | Ophioglossaceae |
| Botrychium neolunaria | American Moonwort | Ophioglossaceae |
| Botrychium oneidense | Blunt-lobed Grapefern | Ophioglossaceae |
| Botrychium virginianum | Rattlesnake Fern | Ophioglossaceae |
| Cystopteris bulbifera | Bulblet Fern | Dryopteridaceae |
| Cystopteris fragilis | Fragile Fern | Woodsiaceae |
| Cystopteris tenuis | Mackay's Fragile Fern | Woodsiaceae |
| Dennstaedtia punctilobula | Hay-scented Fern | Dennstaedtiaceae |
| Deparia acrostichoides | Silvery Glade Fern | Dryopteridaceae |
| Diplazium pycnocarpon | Glade Fern | Dryopteridaceae |
| Dryopteris campyloptera | Mountain Woodfern | Dryopteridaceae |
| Dryopteris carthusiana | Spinulose Woodfern | Dryopteridaceae |
| Dryopteris clintoniana | Clinton's Woodfern | Dryopteridaceae |
| Dryopteris cristata | Crested Woodfern | Dryopteridaceae |
| Dryopteris goldiana | Goldie Fern | Dryopteridaceae |
| Dryopteris intermedia | Intermediate Woodfern | Dryopteridaceae |
| Dryopteris marginalis | Marginal Woodfern | Dryopteridaceae |
| Dryopteris goldiana | Goldie Fern | Dryopteridaceae |
| Gymnocarpium dryopteris | Oak Fern | Dryopteridaceae |
| Lygodium palmatum | American Climbing Fern | Lygodiaceae |
| Matteuccia struthiopteris | Ostrich Fern | Dryopteridaceae |
| Onoclea sensibilis | Sensitive Fern | Dryopteridaceae |
| Osmunda cinnamomea | Cinnamon Fern | Osmundaceae |
| Osmunda claytonia | Interrupted Fern | Osmundaceae |
| Osmunda regalis | Royal Fern | Osmundaceae |
| Pellaea atropurpurea | Purpe Cliffbrake | Pteridaceae |
| Phegopteris connectilis | Long Beech Fern | Thelypteridaceae |
| Phegopteris hexagonoptera | Broad Beech Fern | Thelypteridaceae |
| Polypodium appalachianum | Appalachian Polypody | Polypodiaceae |
| Polypodium virginianum | Rock Polypody | Polypodiaceae |
| Polystichum acrostichoides | Christmas Fern | Dryopteridaceae |
| Pteridium aquilinum | Bracken Fern | Dennstaedtiaceae |
| Schizaea pusilla | Curlygrass Fern | Schizaeaceae |
| Thelypteris noveboracensis | New York Fern | Thelypteridaceae |
| Thelypteris palustris | Marsh Fern | Thelypteridaceae |
| Woodsia ilvensis | Rusty Cliff Fern | Woodsiaceae |
| Woodsia obtusa | Blunt-lobed Cliff Fern | Woodsiaceae |
| Woodwardia areolata | Netted Chain-fern | Blechnaceae |
| Woodwardia virginica | Virginia Chain-fern | Blechnaceae |
Horsetails
Phylum Sphenophyta
| Species | Common Name | Family |
| Equisetum arvense | Common Horsetail | Equisetaceae |
| Equisetum fluviatile | Water Horsetail | Equisetaceae |
| Equisetum hyemale | Tall Scouring-rush | Equisetaceae |
| Equisetum laevigatum | Smooth Horsetail | Equisetaceae |
| Equisetum scirpoides | Dwarf Scouring-rush | Equisetaceae |
| Equisetum sylvaticum | Wood Horsetail | Equisetaceae |
| Equisetum variegatum | Variegated Scouring-rush | Equisetaceae |
Clubmosses and Spikemosses
Phylum Lycophyta
Class Lycopodiaceae
| Species | Common Name | Family |
| Dendrolycopodium dendroideum | Prickly Tree Clubmoss | Lycopodiaceae |
| Dendrolycopodium hickeyi | Hickey's Tree Clubmoss | Lycopodiaceae |
| Dendrolycopodium obscurum | Flat-branches Tree Clubmoss | Lycopodiaceae |
| Diphasiastrum complanatum | Northern Ground Cedar | Lycopodiaceae |
| Diphasiastrum digitatum | Southern Ground Cedar | Lycopodiaceae |
| Diphasiastrum tristachyum | Blue Ground Cedar | Lycopodiaceae |
| Huperzia appressa | Mountain Firmoss | Lycopodiaceae |
| Huperzia lucidula | Shining Firmoss | Lycopodiaceae |
| Lycopodiella alopecuroides | Foxtail Bog Clubmoss | Lycopodiaceae |
| Lycopodiella appressa | Southern Bog Clubmoss | Lycopodiaceae |
| Lycopodiella inundata | Northern Bog Clubmoss | Lycopodiaceae |
| Lycopodium clavatum | Staghorn Clubmoss | Lycopodiaceae |
| Lycopodium lagopus | One-cone Clubmoss | Lycopodiaceae |
| Psuedolycopodiella caroliniana | Carolina Bog Clubmoss | Lycopodiaceae |
| Spinulum annotinum | Common Bristly Clubmoss | Lycopodiaceae |
Class Isoëtopsida
| Species | Common Name | Family |
| Selaginella apoda | Meadow Spikemoss | Selaginellaceae |
| Selaginella rupestris | Rock Spikemoss | Selaginellaceae |
Mosses
Phylum Bryophyta
| Species | Common Name | Family |
| Anomodon attenuatus | Common Tree Apron Moss | Leskeaceae |
| Atrichum angustatum | Lesser Smoothcap Moss | Polytrichaceae |
| Atrichum undulatum | Common Smoothcap Moss | Polytrichaceae |
| Ceratodon purpureus | Purple Ceratodon | Ditrichaceae |
| Climacium dendroides | Tree Moss | Climaciaceae |
| Diphyscium foliosum | Powder Gun Moss | Buxbaumiaceae |
| Dicranum polysetum | Wavy Broom Moss | Dicranaceae |
| Fissidens taxifolius | Fissidens Moss | Fissidentaceae |
| Hylocomium splendens | Stairstep Moss | Hylocomiaceae |
| Leucobryum glaucum | White Pincushion Moss | Leocobryaceae |
| Mnium punctatum | Dotted Mnium | Mniaceae |
| Philonotis fontana | Spring Apple Moss | Bartamiaceae |
| Pleurozium schreberi | Schreber's Feathermoss | Hylocomiaceae |
| Polytrichum juniperinum | Juniper Moss | Polytrichaceae |
| Polytrichum piliferum | Long-awned Haircap Moss | Polytrichaceae |
| Polytrichum strictum | Polytrichum Moss | Polytrichaceae |
| Ptilium crista-castrensis | Knight's Plume Moss | Hypnaceae |
| Rhytidiadelphus triquestrus | Shaggy Moss | Hylocomiaceae |
| Sphagnum spp. | Sphagnum moss | Sphagnaceae |
| Thuidium abietinum | Thuidium Moss | Thuidiaceae |
| Thuidium delicatulum | Common Fern Moss | Thuidiaceae |
| Ulota crispa | Curled Leaf Moss | Orthotrichaceae |
Liverworts
Phylum Hepatophyta
| Species | Common Name | Family |
| Bazzania trilobata | Three-lobed Bazzania | Lepidoziaceae |
| Conocephalum conicum | Scented Liverwort | Conocephalaceae |
| Marchantia polymorpha | Common Liverwort | Marchantiaceae |
| Nowellia curvifolia | Wood-rust | Cephaloziaceae |
© 2004-2010 Michael Hough