Hesperostipa is a genus of grasses in the family Poaceae. Members of the genus are commonly known as needle-and-thread grass or needlegrass.
The Hesperostipa species, formerly called Stipa, are endemic to North America. The new name adds , as other Stipa species are found on the Eurasian continent (i.e., the eastern hemisphere).
Species Hesperostipa comata (Trin. & Rupr.) Barkworth – needle-and-thread grass Hesperostipa comata subsp. comata Hesperostipa comata subsp. intermedia (Scribn. & Tweedy) Barkworth Hesperostipa curtiseta (Hitchc.) Barkworth – Canadian needlegrass Hesperostipa neomexicana (Thurb.) Barkworth – New Mexico needlegrass Hesperostipa saxicola (Hitchc.) Valdés-Reyna & Barkworth Hesperostipa spartea (Trin.) Barkworth – porcupine grass
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