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

Brittle Bladderfern, Fragile Fern, Brittle Fern, Bladder Fern

Cystopteris fragilis

Synonyms: Cystopteris dicieana, Polypodium fragile

Brittle Bladderfern, Fragile Fern, Brittle Fern, Bladder Fern: Cystopteris fragilis (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.

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

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

Brittle Bladderfern, Fragile Fern, Brittle Fern, Bladder Fern: Cystopteris fragilis (Synonyms: Cystopteris dicieana, Polypodium fragile) - Brittle Bladderfern, Fragile Fern, Brittle Fern, Bladder Fern: Cystopteris fragilis (Synonyms: Cystopteris dicieana, 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