Ferns of Wisconsin
| Common Name | Latin Name |
| maidenhair fern | Adiantum pedatum |
| lobed spleenwort | Asplenium pinnatifidum |
| ebony spleenwort | Asplenium platyneuron |
| walking fern | Asplenium rhizophyllum |
| maidenhair spleenwort | Asplenium trichomanes |
| green spleenwort | Asplenium trichomanes-ramosum (= Asplenium viride Huds.) |
| lady fern | Athyrium filix-femina |
| silvery spleenwort | Athyrium thelypteroides (see Deparia acrostichoides) |
| narrow-leaved spleenwort | Athyrium pycnocarpon (see Diplazium pycnocarpon) |
| Carolina mosquito-fern | Azolla caroliniana |
| floating fern | Azolla mexicana |
| prairie moonwort | Botrychium campestre |
| cut-leaved grapefern | Botrychium dissectum |
| lance-leaved grape fern | Botrychium lanceolatum |
| common moonwort | Botrychium lunaria |
| daisy-leaf grape fern | Botrychium matricariifolium |
| Mingan moonwort | Botrychium minganense |
| goblin fern | Botrychium mormo |
| leather-leaved grape fern | Botrychium multifidum |
| Oneida grape fern | Botrychium oneidense |
| rugulose grape fern | Botrychium rugulosum |
| least moonwort | Botrychium simplex |
| spatulate moonwort | Botrychium spathulatum |
| rattlesnake fern | Botrychium virginianum |
| slender lip fern | Cheilanthes feei |
| woolly lip fern | Cheilanthes lanosa |
| slender cliff brake | Cryptogramma stelleri |
| bulblet fragile fern | Cystopteris bulbifera |
| northern fragile fern | Cystopteris fragilis |
| Laurentian bladder fern | Cystopteris laurentiana |
| creeping fragile fern | Cystopteris protrusa |
| Tennessee fragile fern | Cystopteris tennesseensis |
| MacKay's brittle fern | Cystopteris tenuis |
| hay-scented fern | Dennstaedtia punctilobula |
| silvery spleenwort | Deparia acrostichoides (=Athyrium thelypterioides) |
| narrow-leaved spleenwort | Diplazium pycnocarpon (=Athyrium pycnocarpon) |
| spinulose wood fern | Dryopteris carthusiana |
| Clinton's wood fern | Dryopteris clintoniana |
| crested wood fern | Dryopteris cristata |
| northern wood fern | Dryopteris expansa |
| male fern | Dryopteris filix-mas |
| fragrant fern | Dryopteris fragrans |
| Goldie's fern | Dryopteris goldiana |
| intermediate wood fern | Dryopteris intermedia |
| marginal wood fern | Dryopteris marginalis |
| common oak fern | Gymnocarpium dryopteris |
| northern oak fern | Gymnocarpium jessoense |
| limestone oak fern | Gymnocarpium robertianum |
| ostrich fern | Matteuccia struthiopteris |
| sensitive fern | Onoclea sensibilis |
| adder's-tongue | Ophioglossum pusillum |
| cinnamon fern | Osmunda cinnamomea |
| interrupted fern | Osmunda claytoniana |
| royal fern | Osmunda regalis |
| purple cliff brake | Pellaea atropurpurea |
| smooth cliff brake | Pellaea glabella |
| northern beech fern | Phegopteris connectilis |
| broad beech fern | Phegopteris hexagonoptera |
| common polypody | Polypodium virginianum |
| Christmas fern | Polystichum acrostichoides |
| Braun's holly fern | Polystichum braunii |
| northern holly fern | Polystichum lonchitis |
| bracken fern | Pteridium aquilinum |
| marsh fern | Thelypteris palustris |
| Massachusetts fern | Thelypteris simulata |
| rusty woodsia | Woodsia ilvensis |
| blunt-lobed woodsia | Woodsia obtusa |
| Oregon cliff fern | Woodsia oregana |