[The Grass Family on Mt. Adams]
The Needlegrass of Mt. Adams

The Genus Achnatherum

Western Needlegrass: Achnatherum occidentale ssp. occidentale

1. Dore's Needlegrass: Achnatherum nelsonii ssp. dorei (formerly Stipa occidentalis var. nelsonii) -

2. Western Needlegrass: Achnatherum occidentale ssp. occidentale (formerly Stipa occidentalis var. occidentalis) -

3. Hairy Needlegrass, Pubescent Western Needlegrass: Achnatherum occidentale ssp. pubescens (formerly Stipa occidentalis var. pubescens) -

Paul Slichter E-mail