- Cystopteris fragilis
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Cystopteris fragilis 
sori Scientific classification Kingdom: Plantae Division: Pteridophyta Class: Pteridopsida Order: Athyriales Family: Cystopteridaceae Genus: Cystopteris Species: C. fragilis Binomial name Cystopteris fragilis
(L.) Bernh.Synonyms Filix fragilis (L.) Underw.
Cystopteris fragilis is a species of fern known by the common names brittle bladderfern and common fragile fern. It can be found worldwide, generally in shady, moist areas. The leaves are up to 30 or 40 centimeters long and are borne on fleshy petioles. Each leaf is divided into many pairs of leaflets, each of which is subdivided into lobed segments. The underside of the leaf has many rounded sori containing the sporangia.
External links
Categories:- Cystopteris
- Fern species
- Ferns of the United States
- Ferns of California
- Flora of Canada
- Flora of the Sierra Nevada region (U.S.)
- Flora of Europe
- Flora of Russia
- Flora of Finland
- Plants described in 1753
- Fern stubs
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