[Ferns East of the Crest 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)

Brittle fern as seen between rocks on cliffs at the high outcrop at Davis Canyon Natural Area, Okanogan County, Washington...........................Jue 11, 2011.

Leaflet of 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)

Additional close-up photos of brittle fern as seen at Davis Canyon Natural Area, Okanogan County, Washington...........................Jue 11, 2011.

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.
Paul Slichter