[Ferns West of the Cascade Mountains of Oregon and Washington]

Bladder Fern, Brittle Bladderfern, Brittle Fern, Fragile Fern

Cystopteris fragilis

Synonyms: Cystopteris dickieana, Cystopteris fragilis var. fragilis, Polypodium fragile

Bladder Fern, Brittle Bladderfern, Brittle Fern, Fragile Fern: Cystopteris fragilis (Synonyms: Cystopteris dickieana, Cystopteris fragilis var. fragilis, 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.

Bladder Fern, Brittle Bladderfern, Brittle Fern, Fragile Fern: Cystopteris fragilis (Synonyms: Cystopteris dickieana, Cystopteris fragilis var. fragilis, Polypodium fragile)

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.

Bladder Fern, Brittle Bladderfern, Brittle Fern, Fragile Fern: Cystopteris fragilis (Synonyms: Cystopteris dickieana, Cystopteris fragilis var. fragilis, Polypodium fragile)

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.

Bladder Fern, Brittle Bladderfern, Brittle Fern, Fragile Fern: Cystopteris fragilis (Synonyms: Cystopteris dickieana, Cystopteris fragilis var. fragilis, Polypodium fragile) - Bladder Fern, Brittle Bladderfern, Brittle Fern, Fragile Fern: Cystopteris fragilis (Synonyms: Cystopteris dickieana, Cystopteris fragilis var. fragilis, Polypodium fragile)

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.

Paul Slichter