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Poa nervosa Herbaceous Alliance | Western Ecology Working Group of...
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Name: Poa nervosa Herbaceous Alliance Reference: Western Ecology Working Group of... Description: These mesic subalpine grasslands occur on a narrow elevational band (3250-3450 m) on the White River Plateau. Sites are gentle toeslopes and on slopes bordering upland benches. The landscape relief is most often concave which lends itself to favorable soil moisture conditions despite the southerly aspects preferred by this community. Stands have a moderately dense herbaceous layer dominated by Poa nervosa and Achnatherum lettermanii (= Stipa lettermanii). Associated graminoid species include Festuca brachyphylla, Phleum alpinum, Poa fendleriana, and Trisetum spicatum. There may be sparse to moderately dense cover of forbs such as Achillea millefolium var. occidentalis (= Achillea lanulosa), Agoseris glauca, Erigeron peregrinus, Erigeron simplex, Hymenoxys hoopesii (= Helenium hoopesii), Polygonum bistortoides, Packera crocata (= Senecio crocatus), and Viola nuttallii.  Accession Code: VB.CC.19277.POANERVOSAHERBA Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 26-Nov-1997 to: 01-May-2019
	status: accepted This Community's Level: Alliance This Community's Children: [none]		Names:   Translated: Hooker's Bluegrass Herbaceous Alliance   Scientific: Poa nervosa Herbaceous Alliance   UID: HIGHER_CLASS_UNIT.2.126411 NatureServe Explorer   Code: A.1264