| BJK | Genus species | G2 List - Native range and garden comments |
|---|---|---|
|
G1 = Not found in gardens / G2 = Unusual in gardens / G3 = Common in gardens. B = Found at Boerner Botanical Gardens. J = Found at Janesville Rotary Gardens. K = Found at Krischan Photography Gardens. | ||
| -x- | Asplenium pinnatifidium | Native to Wisconsin (Iowa county). Native to Eastern US. Lobed Spleenwort. Grows on northfacing sandstone cliff. Threatened in Wisconsin. |
| -x- | Asplenium platyneuron | Native to Wisconsin (southwest). Native to Central and Eastern US. Ebony Spleenwort. Often grows on northfacing limestone outcrop. |
| -x- | Asplenium rhizophyllum | Synonym: Camptosorus rhizophyllus. Native to Wisconsin (statewide). Native to Central and Eastern US. Walking Fern. Often grows on northfacing limestone outcrop. |
| -x- | Asplenium trichomanes | Native to Wisconsin (scattered north and central). Native to entire US. Maidenhair Spleenwort. Grows in crevice of shaded quartzite cliff. Special Concern in Wisconsin. |
| -x- | Botrychium virginanum | Native to Wisconsin (statewide). Native to entire US. Rattlesnake Fern. Grows in moist Maple woodland, quartzite bluff. |
| -x- | Cheilanthes lanosa | Native to Wisconsin (Wood county). Native to Central and East US. Hairy Lipfern. Woodland. |
| -x- | Cystopteris bulbifera | Native to Wisconsin (statewide). Native to Central and Eastern US. Bulblet Bladderfern. Grows in Tamarack swamp, limestone rocks. |
| -x- | Cystopteris fragilis | Synonym: C.f. subspecies dickieana. Native to Wisconsin (statewide). Native to West and North US. Brittle Bladderfern. Grows on northfacing sandstone cliff, crevice of rocks. Cultivars: 'Crispa'. |
| -J- | Cystopteris protrusa | Native to Wisconsin (south). Native to Eastern US. Lowland Bladderfern. Grows on shaded bluff, sandstone outcrop, creek, north facing slopes, wet mesic forest. |
| -x- | Deparia acrostichoides | Synonym: Athyrium thelypterioides, Diplazium acrostichoides. Native to Wisconsin (statewide). Native to Eastern US. Silver False Spleenwort. Grows in mesic woods, rocky ridge, slope. |
| -x- | Dryopteris x boottii | Native to Wisconsin (central and north). Native to Northeast US. Naturally occuring hybrid of D. cristata x D. intermedia. Grows in conifer swamps, edge of bog. |
| -J- | Dryopteris clintoniana | Native to Wisconsin (scattered southeast). Native to Northeast US. Clinton's Woodfern. Grows in swamp. Special Concern in Wisconsin. |
| -J- | Dryopteris expansa | Synonym: Dryopteris dilatata. Native to Wisconsin (extreme north). Native to Northwest and Northcentral US. Spreading Woodfern. Grows in wet woods, sandy lakeshore. Cultivars: 'Compacta', 'Crispa Whiteside', 'Jimmy Dyce', 'Lepidota Cristata', 'Recurvata'. Special Concern in Wisconsin. |
| -x- | Dryopteris intermedia | Native to Wisconsin (statewide). Native to Eastern US. Intermediate Woodfern. Grows in moist conifer woods, sandy soil. |
| -x- | Gymnocarpium dryopteris | Native to Wisconsin (statewide). Native to North US. Western Oakfern. Grows in conifer swamp. Cultivars: 'Plumosum'. |
| -x- | Pellaea atropurpurea | Native to Wisconsin (southwest). Native to entire US (except westcoast). Purple Cliffbrake. Grows on southfacing sandstone cliff, shaded slope. Special Concern in Wisconsin. |
| -?- | Phegopteris connectilis | Synonym: Thelypteris phegopteris. Native to Wisconsin (statewide). Native to Northern US. Long Beechfern. Grows on sandstone outcrop, crevices in shady rocks, north facing slopes, wet mesic forest. |
| -x- | Phegopteris hexagonoptera | Synonym: Thelypteris hexagonoptera. Native to Wisconsin (scattered statewide). Native to Eastern US. Broad Beechfern. Grows on bluff, ravine, north facing slopes, wet mesic forest. Special Concern in Wisconsin. |
| -x- | Polypodium virginianum | Synonym: Polypodium vulgare. Native to Wisconsin (statewide). Native to Eastern US. Rock Polyploid. Grows in crevices of rocky bluff, sandstone cliff, northfacing slope. |
| -x- | Thelypteris palustris | Native to Wisconsin (statewide). Native to Central and Eastern US. Eastern Marsh Fern. Grows in Tamarack swamp, sedge meadow. Cultivars: 'Cristata'. |
| xxx | Unknown hardiness | This plant must be re-examined. |
| ??? | Unknown planting | This plant was recorded on paper, but never examined by author. |