Aristida chaseae

Aristida chaseae

Family: Poaceae

Aristida chaseae is a perennial herb that can grow up to 25 inches long.

Biological Information
Aristida chaseae is endemic to the subtropical dry forest in southwestern Puerto Rico. The species is divided into two subpopulations, one of which has approximately 150 to 175 individuals. The number of individuals in the second population is unknown.

Aristida chaseae is only found in the Cabo Rojo National Wildlife Refuge and Sierra Bermeja in the municipalities of Cabo Rojo and Lajas.

The principal threats to Aristida chaseae are the destruction of habitat for urban development and livestock; wildfires; and competition with introduced herbaceous species.

Conservation Measures
Aristida chaseae was included in the federal list of endangered species on April 27, 1993. Such action requires federal agencies to consult with U.S. Fish and Wildlife before carrying out any activity that might endanger the existence of this species or result in the alteration or destruction of its essential habitat.

U.S. Fish and Wildlife Service. 1993. Endangered and threatened wildlife and plants: Determination of endangered status for Aristida chaseae, Lyonia truncate var proctorii, and Vernonia proctorii. Federal Register, 58(79):25755-25758.

U.S. Fish and Wildlife Service. 1994. Aristida chaseae, Lyonia truncate var. proctorii, and Vernonia proctorii Recovery Plan. U.S. Fish and Wildlife Service, Atlanta, Georgia, 32 pp.


Author: Grupo Editorial EPRL
August 27, 2014.

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