Eriocoma occidentalis
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Eriocoma occidentalis is a species of grass known by the common name western needlegrass. It is native to western North America from British Columbia to California, Colorado, and Arizona and in northeastern Mexico (Chihuahua),[1] where it grows in many types of habitat.
This is a tufting perennial bunchgrass forming tight clumps of erect stems up to about Script error: No such module "convert". in maximum height, but sometimes much shorter. The hairlike leaves are less than a millimeter wide and may have rolled edges. The inflorescence is up to Script error: No such module "convert". long, with each hairy spikelet bearing an awn up to 4 or 5 centimeters long. The awn is kinked twice.[2]
Subspecies
Three subspecies are accepted:[1]
- Eriocoma occidentalis subsp. californica (Merr. & Burtt Davy) Romasch.Script error: No such module "Check for unknown parameters". – Washington, Oregon, California, Nevada, Idaho, and Alberta
- Eriocoma occidentalis subsp. occidentalis – California
- Eriocoma occidentalis subsp. pubescens (Vasey) Romasch.Script error: No such module "Check for unknown parameters". – British Columbia and Alberta to California, Arizona, Colorado, and northeastern Mexico (Chihuahua)
References
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