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Elymus lanceolatus - Phacelia hastata Grassland | NatureServe Biotics 2019
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Name: Elymus lanceolatus - Phacelia hastata Grassland
Reference: NatureServe Biotics 2019
Description: The association is a very narrowly defined community, unique to the Centennial Valley Sandhills in southwestern Montana, a high and cold valley experiencing prolonged and severe episodes of cold-air ponding and deep snow accumulation. Elevation ranges from 2000-2135 m. Sites are active sand dunes and blowouts. Substrate is sand. The sparse to moderately dense vegetation of this seral community is dominated by the medium-tall perennial graminoid <i>Elymus lanceolatus</i>, with 5-25% cover or higher. Sparse cover (1-20%) of other species may be present, such as the shrubs <i>Ericameria nauseosa, Tetradymia canescens</i>, grasses <i>Achnatherum hymenoides, Hesperostipa comata</i>, and forbs <i>Eriogonum ovalifolium var. purpureum, Linum perenne, Psoralidium tenuiflorum</i>, and the characteristic species <i>Phacelia hastata</i>. Diagnostic of this association is the dominance of <i>Elymus lanceolatus</i> and the presence of <i>Phacelia hastata</i> in the herbaceous layer. 
Accession Code: urn:lsid:vegbank.org:commConcept:30654-{05441B67-F8F5-4525-B9EA-EB66F0102784}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 26-Nov-1997 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.684114 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL001745
  Translated: Thick-spike Wheatgrass - Silverleaf Phacelia Grassland
  Scientific: Elymus lanceolatus - Phacelia hastata Grassland
(convergence) and Synonyms:
(similar) Elymus lanceolatus - Phacelia hastata Herbaceous Vegetation
(similar) CEGL001745
(similar) Elymus lanceolatus - Phacelia hastata Herbaceous Vegetation