Family: Dryopteridaceae
[Nephrodium acrostichoides Michx., more...]
Michael Clayton
Christopher Noll
Etymology: Polystichum: from the Greek polys, "many," and stichos, "row," referring to the rows of sori on the type species
Plants: perennial fern
Habitat: rocky slopes and woods
Conservation Status: Special Concern
Plants: perennial fern
Habitat: rocky slopes and woods
Conservation Status: Special Concern
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 9, Wetland Indicator = UPL 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 Minnesota Dept. of Natural Resources: Rare Species Guide; description, conservation, photos, maps, etc. University of Wisconsin - Green Bay: Fern & Fern Allies: Photos, descriptions, information Dan Tenaglia's The Missouri Flora: Fabulous photographs; detailed descriptions; color and leave arrangement key.
Christopher Noll
Christopher Noll
Christopher Noll
Michael Clayton
Michael Clayton
Paul Drobot
Robert W. Freckmann
Paul Drobot