Online Virtual Flora of Wisconsin

Dryopteris expansa (C.Presl) Fraser-Jenk. & Jermy

Family: Dryopteridaceae

northern wood fern, more...

[Aspidium spinulosum var. americanum (O.F.Müll.) Sw., more]

Sue R. Crispin

Traits
Links

Etymology: Dryopteris: from 2 Greek words drys, "oak," and pteris, "fern," possibly referring to the plant's habitat
Plants: perennial fern
Conservation Status: Special Concern

Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 8, Wetland Indicator = FAC WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin listed species including state and federal status, photos, etc. USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Fern & Fern Allies: Photos, descriptions, information

Open Interactive Map

Emmet J. Judziewicz

View Genus View Specimen Records

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Dryopteris expansa (C.Presl) Fraser-Jenk. & Jermy Family: Dryopteridaceae northern wood fern, more..., spreading wood fern [Aspidium spinulosum var. americanum (O.F.Müll.) Sw., more] Sue R. Crispin Traits Links Etymology: Dryopteris: from 2 Greek words drys, "oak," and pteris, "fern," possibly referring to the plant's habitat Plants: perennial fern Conservation Status: Special Concern Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 8, Wetland Indicator = FAC WIS DNR-Bureau of Endangered Resources: Detailed information on Wisconsin listed species including state and federal status, photos, etc. USDA Plants Database: Federal Distribution and detailed information including photos University of Wisconsin - Green Bay: Fern & Fern Allies: Photos, descriptions, information Open Interactive Map Emmet J. Judziewicz Click to Display 3 Total Images View Genus View Specimen Records
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