Cystopteris

Cystopteris, or Bladderferns, consists of around 10-20 species of mostly small ferns with delicate foliage. All occur in temperate regions.

The genus is found throughout Canada and the entire United States (including Hawai`i), with one species, Cystopteris fragilis, having a particularly cosmopolitain distribution. This is the only species endemic to California.

Click here for a distribution map for Cystopteris in the United States and Canada (U.S. Department of Agriculture’s Natural Resources Conservation Service).

Click here for Cystopteris in the the Encyclopedia of Life.

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