Samiksha Jaiswal

Tectaria estremerana

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Kingdom  Plantae
Class  Pteridopsida
Family  Tectariaceae
Rank  Species
Division  Pteridophyta
Order  Polypodiales
Genus  Tectaria
Tectaria estremerana httpsuploadwikimediaorgwikipediacommonsthu
Similar  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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