found: ITIS, Aug. 3, 2005(Genus Achnatherum Beauv.--Achnatherum, needlegrass, needlegrass spp. Family Poaceae--grasses)
found: NCBI taxonomy browser, Aug. 3, 2005(Achnatherum. Rank: genus. Tribe Stipeae, Subfamily Pooideae, Family Poaceae)
found: GRIN taxonomy for plants, via WWW, Aug. 3, 2005(Genus Achnatherum P. Beauv. Family: Poaceae, subfamily Pooideae, tribe Stipeae. Synonyms: Aristella, Eriocoma, Jarava (possible syn.). Sometimes included in: Stipa L.)
found: The plants national database, via WWW, Aug. 3, 2005(Genus Achnatherum Beauv.-- needlegrass. Family: Poaceae)