Eureka Dunegrass

Eureka Dunegrass Plant Information


Eureka Dunegrass grows in the following 1 states:

California

The only known species is Swallenia alexandrae, known by the common names Eureka dunegrass and Eureka Valley dune grass. This genus was named for American botanist Jason Richard Swallen (1903-1991).Swallenia is a rare genus of plants in the grass family, found only in Death Valley National Park, California.

This is a rare plant endemic to Inyo County, California, where it is found on a single isolated dune system, the Eureka Valley Sand Dunes in the Eureka Valley of the Mojave Desert, within Death Valley National Park.
Swallenia alexandrae is a coarse, tufted perennial grass which grows in sand from thick rhizomes. Its stiffly erect clums, sharp-leafed grass, and erect pale-colored panicle inflorescences are diagnostic.
This is a federally listed endangered species of the United States, and an IUCN listed Critically endangered species. The main threat to the species survival has been off-roading, which is no longer permitted in its habitat. Trespassing off-roaders and campers are still a threat to the five remaining occurrences.

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