The most common and largest Grapfern at the Park, this species is not a true fern at all. The plants have a single blade and a spore-bearing structure that rises above the leaf. The sporangia resemble little grapes.
Location: Box Canyon, Mount Rainier National Park
Date: August 3, 2014
The stout blades persist into the next growing season. Leathery Grapefern grows in moist meadows and along forest edges. Formerly known as Botrychium multifidum.
Location: White River entrance, Mount Rainier National Park
Date: June 20, 2014