A Checklist of the Vascular Plants of Washington State
Hosted by the University of Washington Herbarium, Burke Museum
Hosted by the University of Washington Herbarium, Burke Museum
Last updated 4/27/2009 by David Giblin.
Achnatherum occidentale (Thurb. ex S. Watson) Barkworth ssp. pubescens (Vasey) Barkworth[FNA24, HC2]
western needlegrass
Publication: Phytologia 74(1): 10. 1993.
Origin: Native
selected vouchers: WTU
Notes: FNA24: "Achnatherum occidentale subsp. pubescens grows from Washington to California and eastward to Wyoming, at 1300–4700 m. It is the most widespread and variable subspecies of A. occidentale, intergrading with subsp. californicum, A. nelsonii, and A. lettermanii. It differs from the latter two in its shorter paleas and its pilose awns."
References: (none)
Synonyms & Misapplied Names:
Stipa elmeri Piper & Brodie ex Scribn.
Stipa occidentalis Thurb. ex S. Watson var. pubescens (Vasey) J. Maze, Roy L. Taylor & MacBryde
