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)](fragilis6a.jpg)
Brittle fern as seen between rocks on cliffs at the high outcrop 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)](fragilis6c.jpg)
Additional close-up photos of brittle fern as seen at Davis Canyon Natural Area, Okanogan County, Washington.......Jue 11, 2011.
![Underside of the frond of Brittle Bladderfern, Fragile Fern, Brittle Fern, Bladder Fern: Cystopteris fragilis (Synonyms: Cystopteris dicieana, Polypodium fragile)](fragilis06-25-2017.jpg)
Fragile fern as seen along the Lookout Mountain Trail #804 on the north side of Lookout Mountain, Ochoco National Forest.........June 25, 2017.
![Brittle Bladderfern, Fragile Fern, Brittle Fern, Bladder Fern: Cystopteris fragilis (Synonyms: Cystopteris dicieana, Polypodium fragile)](fragilis22a.jpg)
Fragile fern as seen in cracks in rocks at the head of Kiger Gorge, Steens Mountain.........July 11, 2014.
![Brittle Bladderfern, Fragile Fern, Brittle Fern, Bladder Fern: Cystopteris fragilis (Synonyms: Cystopteris dicieana, Polypodium fragile)](../../../cascade/mtadams/fern/cystopteris/fragilis2a.jpg)
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)](../../../cascade/mtadams/fern/cystopteris/fragilis2b.jpg)
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