creeping fragile fern, lowland bladder fern
[Cystopteris fragilis var. protrusa (L.) Bernh.]
Etymology: Cystopteris: from Greek cystis, "bladder," and pteris, "fern"
Plants: perennial fern
Habitat: damp areas in woods
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 6 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.