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