Goniopteris yaucoensis
Goniopteris yaucoensis, synonym Thelypteris yaucoensis, [1] is a rare species of fern known by the common name Puerto Rico maiden fern.[2] It is endemic to Puerto Rico, where it is known from only three localities. It is a federally listed endangered species of the United States.
| Goniopteris yaucoensis | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Class: | Polypodiopsida |
| Order: | Polypodiales |
| Suborder: | Aspleniineae |
| Family: | Thelypteridaceae |
| Genus: | Goniopteris |
| Species: | G. yaucoensis |
| Binomial name | |
| Goniopteris yaucoensis (Proctor) Salino & T.E.Almeida[1] | |
| Synonyms[1] | |
| |
This fern was placed on the endangered species list in 1993. At that time it was known to exist at three locations: two in Yauco and one in Ciales in Puerto Rico. There were a total of about 65 plants known at all three combined.[3]
This terrestrial fern has fronds up to 52 centimeters long with the blades divided into 13 to 15 pairs of segments.[3]
References
- Hassler, Michael & Schmitt, Bernd (January 2020). "Goniopteris yaucoensis". Checklist of Ferns and Lycophytes of the World. 8.20. Retrieved 2020-01-13.
- Thelypteris yaucoensis. USDA Plants Profile.
- USFWS. Determination of endangered status for three endemic Puerto Rican ferns. Federal Register July 2, 1993.
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