Polystichum calderonense
Scientific classification Edit this 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 Guilarte State Forest. 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


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