Samiksha Jaiswal (Editor)

Tectaria estremerana

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Kingdom
  
Class
  
Pteridopsida

Family
  
Rank
  
Species

Division
  
Pteridophyta

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Genus
  
Tectaria estremerana httpsuploadwikimediaorgwikipediacommonsthu

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Thelypteris yaucoensis, Mitracarpus maxwelliae, Ilex sintenisii, Vernonia proctorii, Aristida chaseae

Tectaria estremerana is a rare species of fern known by the common name Puerto Rico halberd fern. It is endemic to Puerto Rico. It is a federally listed endangered species of the United States.

This fern has fronds up to 80 centimeters long, each with a hairy, orange brown stipe. The rachis is hairy and the leaf is divided into a few elongated leaflets.

When this plant was placed on the United States' Endangered Species List it was known from a population of 23 individuals in Arecibo, Puerto Rico. The ferns are located about 200 meters away from the Arecibo Radio Telescope. Later more individuals were discovered in Río Abajo Commonwealth Forest and in the municipality of Florida.

References

Tectaria estremerana Wikipedia


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