Polystichum calderonense
| Polystichum calderonense | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Division: | Polypodiophyta |
| Class: | Polypodiopsida |
| Order: | Polypodiales |
| Suborder: | Polypodiineae |
| Family: | Dryopteridaceae |
| Genus: | Polystichum |
| Species: | P. calderonense
|
| Binomial name | |
| Polystichum calderonense Proctor
| |
Polystichum calderonense is a rare species of fern known by the common name Monte Guilarte hollyfern. It is endemic to Puerto Rico, where it occurs in the and . There are only 57 individual plants remaining.[1] It is a federally listed endangered species of the United States.
This evergreen terrestrial fern grows in mountains of volcanic origin. It is known from only two locations, one in a forest which is privately owned and another on public land that may be vulnerable to inadequate forest management practices.[1]
References[]
- ^ Jump up to: a b USFWS. Polystichum calderonense Five-year Review. January 2010.
External links[]
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Categories:
- Polystichum
- Endemic flora of Puerto Rico
- Fern stubs