Checklist » Poaceae » Achnatherum occidentale ssp. pubescens
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