Based on Stuart Harris
| leathery grape-fern | Botrychium multifidum | Ophioglossidae |
| Botrychium dissectum | Ophioglossidae | |
| $nbsp; | Botrychium simplex | Ophioglossidae |
| daisy-leaf grape-fern | Botrychium matricariaefolium | Ophioglossidae |
| lance-leaved grape-fern | Botrychium matricariaefolium | Ophioglossidae |
| rattlesnake fern | Botrychium vifginianum | Ophioglossidae |
| adder's tongue | Ophioglossum vulgatum | Ophioglossidae |
| royal fern | Osmunda regalis | Osmundaceae |
| interrupted fern | Osmunda claytoniana | Osmundaceae |
| cinnamon fern | Osmunda cinnamomea | Osmundaceae |
| rusty woodsia | Woodsia ilvensis | Polypodiaceae |
| blunt-lobed woodsia | Woodsia obtusa | Polypodiaceae |
| fragile fern | Custopteris fragilis | Polypodiaceae |
| ostrich fern | Matteuccia pensylvanica | Polypodiaceae |
| sensitive fern | Onoclea sensibilis | Polypodiaceae |
| marsh fern | Dryopteris thelypteris | Polypodiaceae |
| Massachusetts fern | Dryopteris simulata | Polypodiaceae |
| New York fern | Dryopteris noveboracensis | Polypodiaceae |
| oak-fern | Dryopteris disjuncta | Polypodiaceae |
| long beech-fern | Dryopteris phegopteris | Polypodiaceae |
| spinulose wood-fern | Dryopteris spinulosa | Polypodiaceae |
| crested wood-fern | Dryopteris cristata | Polypodiaceae |
| marginal shield-fern | Dryopteris marginalis | Polypodiaceae |
| Christmas fern | Polystichum acrostichoides | Polypodiaceae |
| hay-scented fern | Dennstaedtia punctilobula | Polypodiaceae |
| silvery spleenwort | Athyrium thelypteroides Polypodiaceae | |
| lady fern | Athyrium filix-femina Polypodiaceae | |
| maidenhair-spleenwort | Asplenium trichomanes | Polypodiaceae |
| ebony-spleenwort | Asplenium platyneuron | Polypodiaceae |
| Virginia chain-fern | Woodwardia virginica | Polypodiaceae |
| netted chain-fern | Woodwardia areolata | Polypodiaceae |
| maidenhair-fern | Adiantum pedatum | Polypodiaceae |
| pasture-brake | Pteridium aquilinum | Polypodiaceae |
| rock-polypody | Polypodium virginianum | Polypodiaceae |