| Cystopteris fragilis | |
|---|---|
 | |
| Sori | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Polypodiales |
| Suborder: | Aspleniineae |
| Family: | Cystopteridaceae |
| Genus: | Cystopteris |
| Species: | C. fragilis |
| Binomial name | |
| Cystopteris fragilis | |
| Synonyms | |
|
Filix fragilis (L.) Underw. | |
Cystopteris fragilis is a species of fern known by the common names brittle bladder-fern[1] 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 with few or no long hairs. 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.
References
- ↑ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
External links
- Jepson Manual Treatment: Cystopteris fragilis
- USDA Plants Profile: Cystopteris fragilis
- Flora of North America: Cystopteris fragilis
- Cystopteris fragilis — U.C. Photo gallery
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