[Needlegrasses East of the Cascade Mountains of Oregon and Washington]

Western Needlegrass

Achnatherum occidentale ssp. occidentale

Synonym: Stipa occidentalis var. occidentalis

Close-up of the pubescent lemma and awn of Western Needlegrass: Achnatherum occidentale ssp. occidentale (Synonym: Stipa occidentalis var. occidentalis)

The photo above shows a close-up of the pubescent lemmas and bent awn of western needlegrass as seen the southern rim of the White River Canyon on Mt. Hood.......................August 29, 2008. Note that the awn is fairly hairy past the first bend.

Western Needlegrass: Achnatherum occidentale ssp. occidentale (Synonym: Stipa occidentalis var. occidentalis)

The photo above shows a close-up of the pubescent lemmas and twice bent awns of western needlegrass as seen the southern rim of the White River Canyon on Mt. Hood.......................August 29, 2008.


Western Needlegrass: Achnatherum occidentale ssp. occidentale (Synonym: Stipa occidentalis var. occidentalis)

The photo above shows western needlegrass as seen on sandy soils along the southern rim of the White River Canyon on Mt. Hood. Photographed about one mile east of Timberline Lodge along the Pacific Crest Trail....................August 29, 2008. Lupinus arcticus and Eucephalus ledophyllus are also visible in the photo. There was also quite a bit of Bromus carinatus and Carex rossii at this location.

Western Needlegrass: Achnatherum occidentale ssp. occidentale (Synonym: Stipa occidentalis var. occidentalis)

The photo above shows a close-up of the pubescent lemmas of western needlegrass as seen the southern rim of the White River Canyon on Mt. Hood.......................August 29, 2008.


Western Needlegrass: Achnatherum occidentale ssp. occidentale (Synonym: Stipa occidentalis var. occidentalis)

The photo above shows a close-up of the lemmas and awns of western needlegrass as seen along the Willard Springs Foottrail in Conboy Lake NWR.....................July 31, 2008.

Western Needlegrass: Achnatherum occidentale ssp. occidentale (Synonym: Stipa occidentalis var. occidentalis)

The photo above shows western needlegrass as seen along the Willard Springs Foottrail in Conboy Lake NWR.....................July 31, 2008.

Paul Slichter