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Cercocarpus montanus var. glaber Sierran Chaparral Shrubland | NatureServe Biotics 2019
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Name: Cercocarpus montanus var. glaber Sierran Chaparral Shrubland Reference: NatureServe Biotics 2019 Description: This shrubland association is currently only known from Yosemite National Park in California, and the following description is based on occurrences there. Additional information will be added as it becomes available. This association is found in high slope positions on generally well-drained loam and sandy loam soils derived from granite and metamorphics. Elevations range from 910-1555 m (2980-5100 feet), and aspects are typically northerly at low elevations and westerly to southwesterly at higher elevations. Litter/duff cover averages 35%. Sites are upland and tend to have between 10 and 40% large rock or bedrock cover. It is debatable whether this should be considered a shrub or tree association. Although the average height for the dominant and characteristic species is around 4-5 m, the morphology is typically multi-stemmed and scraggly. The short-tree layer (2-5 m tall) averages 44% cover and is composed of <i>Cercocarpus montanus var. glaber</i>. <i>Ceanothus cuneatus</i> provides an average 10% cover in the short-shrub layer (1-2 m), but is only on 50% of the plots. <i>Toxicodendron diversilobum</i> is sometimes found at very low cover. In some stands that have not been sampled, <i>Arctostaphylos viscida</i> may be an important shrub. The herb layer is sparse, and no species are abundant. The most constant species include <i>Pentagramma triangularis, Claytonia perfoliata, Galium parisiense</i>, and <i>Bromus hordeaceus</i>.  Accession Code: urn:lsid:vegbank.org:commConcept:36684-{9B97A8FA-EE9D-4948-95E9-CEA8F4299388} Plot-observations of this Community Concept: 4
	Party Perspective according to: NatureServe (organization) Perspective from: 06-May-2010 to: ongoing
	status: accepted Community's Parent: Cercocarpus montanus var. glaber Mesic Chaparral Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.684623 NatureServe Explorer   Code: CEGL008638   Translated: Birchleaf Mountain-mahogany Sierran Chaparral Shrubland   Scientific: Cercocarpus montanus var. glaber Sierran Chaparral Shrubland (convergence) and Synonyms: (similar) CEGL008638 (similar) Cercocarpus montanus var. glaber Sierran Chaparral Shrubland (similar) Cercocarpus montanus var. glaber / Sierran Chaparral Woodland