[Needlegrass and Ricegrass: The Genus Achnatherum East of the Cascade Mountains of Oregon and Washington]
Columbia Needlegrass, Nelson's Needlegrass

Achnatherum nelsonii ssp. nelsonii

Synonyms: Stipa columbiana var. nelsonii, Stipa nelsonii ssp. nelsonii, Stipa nelsonii var. nelsonii, Stipa occidentalis var. nelsonii, Stipa williamsii

Columbia Needlegrass, Nelson's Needlegrass: Achnatherum nelsonii ssp. nelsonii (Synonyms: Stipa columbiana var. nelsonii, Stipa nelsonii ssp. nelsonii, Stipa nelsonii var. nelsonii, Stipa occidentalis var. nelsonii, Stipa williamsii)

A close-up view of the lemma and awns of Nelson's needlegrass? as seen along the Little Spokane River about three-quarters of a mile downstream from the Painted Rocks...................June 19, 2009.

Columbia Needlegrass, Nelson's Needlegrass: Achnatherum nelsonii ssp. nelsonii (Synonyms: Stipa columbiana var. nelsonii, Stipa nelsonii ssp. nelsonii, Stipa nelsonii var. nelsonii, Stipa occidentalis var. nelsonii, Stipa williamsii) --- Columbia Needlegrass, Nelson's Needlegrass: Achnatherum nelsonii ssp. nelsonii (Synonyms: Stipa columbiana var. nelsonii, Stipa nelsonii ssp. nelsonii, Stipa nelsonii var. nelsonii, Stipa occidentalis var. nelsonii, Stipa williamsii)

Two close-up views of the lemmas and awns of Nelson's needlegrass? as seen along the Little Spokane River about three-quarters of a mile downstream from the Painted Rocks...................June 19, 2009.
Paul Slichter