Vascular Plants - Dryopteridaceae - Cystopteris:
Cystopteris fragilis
brittle bladderfern, fragile fern, brittle fern, bladder fern 
Habit: herb
Duration: perennial
Origin: Native
Distribution: Widespread in North America and common in the Pacific Northwest
Habitat: Moist to moderately dry, often rocky places, lowlands to above timberline
Accepted Name:
Cystopteris fragilis (L.) Bernh.
Synonyms:
Cystopteris dickieana Sim
Polypodium fragile L.

Treated in Flora of the PNW as:
Cystopteris fragilis
Additional Resources:

PNW Herbaria Specimens: View list of all Cystopteris fragilis specimens in the Consortium of Pacific Northwest Herbaria database.

WTU Herbarium Specimens: View list of Cystopteris fragilis specimens in the WTU Herbarium database.

Washington Flora Checklist: Cystopteris fragilis treatment.

E-Flora BC: Cystopteris fragilis atlas page.

CalPhotos: Cystopteris fragilis images.

USDA Plants Database: Cystopteris fragilis.
Additional photographs of Cystopteris fragilis:
(click on a thumbnail to view larger photo)

Ben Legler, 2004

Ben Legler, 2004

Bud Kovalchik

Bud Kovalchik

Ed Alverson

Paul Slichter, 2005

Paul Slichter, 2005

G. D. Carr, 2010

G. D. Carr, 2010

G. D. Carr, 2010

G. D. Carr, 2010

G. D. Carr, 2010

G. D. Carr, 2010

Robert L. Carr, 2010

Susan McDougall, 2004

G. D. Carr, 2012

G. D. Carr, 2012

G. D. Carr, 2012

Susan McDougall, 2014

Roger T. George, 2016
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