[Grapeferns and Moonworts: The Genus Botrychium East of the Crest of the Cascade Mountains of Oregon and Washington]

Rattlesnake Fern, Rattlesnake Grapefern, Common Grapefern, Virginia Grapefern

Botrychium virginianum

Synonyms: Botrychium virginianus, Botrypus virginianus, Osmunda virginiana

Rattlesnake Fern, Rattlesnake Grapefern, Common Grapefern, Virginia Grapefern: Botrychium virginianum (Synonyms: Botrychium virginianus, Botrypus virginianus, Osmunda virginiana) - Rattlesnake Fern, Rattlesnake Grapefern, Common Grapefern, Virginia Grapefern: Botrychium virginianum (Synonyms: Botrychium virginianus, Botrypus virginianus, Osmunda virginiana)

Fertile and sterile fronds of rattlesnake fern as seen in a moist conifer forest around the edges of a fen at the south side of Lost Lake, Okanogan National Forest...........July 12, 2015.
Paul Slichter