[Grasses East of the Cascade Mountains of Oregon and Washington]
Hairgrasses East of the Cascade Mountains of Oregon and Washington

The Genus Aira

 

 

Annual Silver Hairgrass, Silver Hairgrass, Silver Hair-grass: Aira caryophyllea (Synonyms: Aira capillaris, Aira caryophyllea var. capillaris, Aira caryophyllea var. caryophyllea, Aira elegantissima, Aira elegans ssp. ambigua, Aspris caryophyllea)

Early Hairgrass, Early Silver Hair-grass, Little Hairgrass, Yellow Hairgrass, Yellow Hair-grass: Aira praecox (Synonym: Aspris praecox)

Paul Slichter