common polypody, rock polypody, rock-cap fern
[Polypodium vulgare var. americanum L., more...]
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
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"