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Cercocarpus ledifolius / Calamagrostis rubescens Woodland | NatureServe Biotics 2019
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Name: Cercocarpus ledifolius / Calamagrostis rubescens Woodland
Reference: NatureServe Biotics 2019
Description: This woodland association is found in eastern Oregon and Idaho. Mean annual precipitation is 56 cm, which falls predominantly as heavy snowfall in the winter. Stands are consistently found on north- or northeast-facing slopes between 1750-1920 m elevation. Slopes are moderate, between 10-40%. Soils are moderately deep varying from gravelly to sandy loams overlying fractured Rhyolitic bedrock. The canopy cover of the woodland/tall shrubland type averages 80%, and is dominated by <i>Cercocarpus ledifolius</i>. The only other tree that occurs in this association is an occasional <i>Prunus emarginata</i>. The shrub layer is sparse. <i>Amelanchier alnifolia</i> and <i>Mahonia repens</i> are ubiquitous while <i>Chrysothamnus viscidiflorus, Ericameria nauseosa</i> and <i>Eriogonum heracleoides</i> are occasional associates. <i>Calamagrostis rubescens</i> is the dominant grass in lightly to moderately grazed stands. In areas which have received heavy grazing <i>Festuca idahoensis</i> or <i>Achnatherum lemmonii</i> codominate with the <i>Calamagrostis rubescens</i>. Other graminoids include <i>Elymus elymoides, Elymus glaucus, Elymus caninus</i>, and <i>Carex rossii</i>. The dominant forb in undisturbed stands is <i>Hieracium cynoglossoides</i>. On disturbed sites <i>Viola nuttallii</i> dominates. Common forbs on all sites include <i>Geum triflorum, Agoseris heterophylla</i>, and <i>Achillea millefolium</i>. 
Accession Code: urn:lsid:vegbank.org:commConcept:29870-{E2837F59-A3EF-4F5C-BC4A-7069FBA4CC38}
Plot-observations of this Community Concept: 0
      Party Perspective according to: NatureServe (organization)
Perspective from: 02-Dec-1993 to: ongoing
      Names:   UID: ELEMENT_GLOBAL.2.684006 NatureServe ExplorerNatureServe Explorer logo
  Code: CEGL000961
  Translated: Curl-leaf Mountain-mahogany / Pinegrass Woodland
  Scientific: Cercocarpus ledifolius / Calamagrostis rubescens Woodland
(convergence) and Synonyms:
(similar) CEGL000961
(similar) Cercocarpus ledifolius / Calamagrostis rubescens Woodland
(similar) Cercocarpus ledifolius / Calamagrostis rubescens Woodland