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Amelanchier utahensis - Mixed Shrub / Carex geyeri Shrubland | NatureServe Biotics 2019
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Name: Amelanchier utahensis - Mixed Shrub / Carex geyeri Shrubland Reference: NatureServe Biotics 2019 Description: This association occurs on the rocky slopes and summits of hills and ridges in western and north-central Colorado. A few stands occur in the bottom of dry gullies. Elevations range from 2225 to 2765 m (7300-9070 feet), and stands tend to occur on gentle to moderately steep north- or east-facing slopes. Substrates include volcanic or sedimentary rock as well as landslides. The moderately dense to dense shrub layer is variable in its composition and dominance, but is characterized by relatively high cover of <i>Amelanchier utahensis</i>, a lack of <i>Quercus gambelii</i> and relatively low cover by <i>Artemisia tridentata</i> (<i>ssp. vaseyana</i> or <i>ssp. wyomingensis</i>). Other shrubs, including <i>Cercocarpus montanus, Chrysothamnus viscidiflorus, Symphoricarpos oreophilus</i>, and <i>Purshia tridentata</i>, may be present and sometimes may be codominant with the <i>Amelanchier</i>. The herbaceous layer tends to be relatively sparse, rarely exceeding 20% total cover. <i>Carex geyeri</i> has at least 5% cover, and many other graminoids and forbs may be present in small amounts, including <i>Achnatherum lettermanii, Balsamorhiza sagittata, Galium boreale, Lupinus</i> sp., <i>Lathyrus lanszwertii var. leucanthus, Poa pratensis, Allium acuminatum, Achillea millefolium</i>, and <i>Pseudostellaria jamesiana</i>. Grazing by domestic animals decreases the cover of <i>Carex geyeri</i> and increases the cover of <i>Poa pratensis</i>, and browsing by elk may hedge the dominant shrub species.  Accession Code: urn:lsid:vegbank.org:commConcept:29977-{82694D72-C6B7-46B0-833D-2576EC34C033} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 07-Feb-2006 to: ongoing
	status: accepted Community's Parent: Amelanchier utahensis - Cercocarpus montanus - Cercocarpus intricatus Shrubland Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.684724 NatureServe Explorer   Code: CEGL001068   Translated: Utah Serviceberry - Mixed Shrub / Geyer's Sedge Shrubland   Scientific: Amelanchier utahensis - Mixed Shrub / Carex geyeri Shrubland (convergence) and Synonyms: (similar) Amelanchier utahensis - Mixed Shrub / Carex geyeri Shrubland (similar) Amelanchier utahensis / Carex geyeri Shrubland (similar) CEGL001068