Brittle Bladderfern, Fragile Fern, Brittle Fern, Bladder Fern
Synonyms: Cystopteris dicieana, Polypodium fragile
The photo above shows brittle fern as seen between rocks on cliffs above the Klickitat River along the western edge of the Klickitat Canyon Natural Resources Conservation Area........April 11, 2008.
The photo above shows a view of the upper frond surface of brittle fern as seen in the Klickitat Canyon NRCA to the east of Mt. Adams.......June 22, 2008.
The photo above shows a close-up view of the underside of the frond of brittle fern as seen in the Klickitat Canyon NRCA to the east of Mt. Adams.......June 22, 2008.
What appears to be fragile fern as seen on andesite rock outcrops along the Climbers Trail above Hellroaring Overlook at the southeastern corner of Mount Adams..........August 12, 2013.