Family: Polypodiaceae
common polypody, rock polypody, rock-cap fern
[Polypodium vulgare var. americanum L., more...]
Kitty Kohout
Christopher Noll
University of Wisconsin - Madison (WIS-VP)
Etymology: Polypodium: from Greek polys, "many," and pous, "foot," alluding to some species that have many knoblike places on the rhizome
Plants: perennial fern
Conservation Status: Native
Plants: perennial fern
Conservation Status: Native
Common on moist shaded cliffs, ridges, and outcrops of sandstone, quartzite, limestone, and igneous rocks, sometimes on tree trunks and rotting logs. Leaves evergreen, firm, leathery, and deeply pinnately lobed, on shallow long creeping black rhizomes. The tetraploid race of this species is an allopolyploid derived from hybridization of P. appalachianum and P. sibiricum.
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 9 USDA Plants Database: Federal Distribution and detailed information including photos 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. Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"
Christopher Noll
Christopher Noll
Christopher Noll
Christopher Noll
Christopher Noll
Derek Anderson
Robert W. Freckmann
Paul E. Berry
Derek Anderson
Derek Anderson
Brenton Butterfield
Brenton Butterfield
Brenton Butterfield
Derek Anderson
Derek Anderson
Botanical Illustration
Botanical Illustration
