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Arctostaphylos patula - Arctostaphylos nevadensis Shrubland Alliance | NatureServe Biotics 2019
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Name: Arctostaphylos patula - Arctostaphylos nevadensis Shrubland Alliance Reference: NatureServe Biotics 2019 Description: This alliance consists of shrublands strongly dominated by <i>Arctostaphylos patula</i> or <i>Arctostaphylos nevadensis</i>. They are often monotypic stands with few other shrubs. Common shrub associates include <i>Arctostaphylos nevadensis, Ceanothus cordulatus, Ceanothus velutinus, Cercocarpus montanus, Chrysolepis sempervirens</i>, and <i>Ribes</i> spp. Eastward, steppe species such as <i>Artemisia tridentata, Purshia tridentata</i>, and <i>Cercocarpus ledifolius</i> become common associates. Herbaceous vegetation is typically sparse and poorly described across the range of this alliance. Reported associates in northern California include <i>Elymus elymoides, Pyrola picta</i>, and <i>Stephanomeria lactucina</i>. This alliance occurs on the eastern slope of the Sierra Nevada and into the western Great Basin and Colorado Plateau. Stands occur on steep, usually south-facing slopes, where soils are rocky and well-drained from 800 to 3300 m in elevation. Much of the annual precipitation comes as winter snow, and summer drought stress is characteristic. These shrublands typically establish after stand-replacing fires and will succeed to forests after several decades. Excessively rocky or droughty, fire-prone sites within forested areas may support relatively persistent stands of this alliance. They are an important component of the Sierra Nevada/southern Cascade montane chaparral and may form large inclusions in dry pine forests following disturbance.  Accession Code: urn:lsid:vegbank.org:commConcept:38099-{C9BC278B-F249-490E-B1A6-7C49D0D79829} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 18-Dec-2014 to: ongoing
	status: accepted Community's Parent: Arctostaphylos patula - Arctostaphylos nevadensis - Ceanothus velutinus Montane Sclerophyll Scrub Group This Community's Level: Alliance This Community's Children: Show/Hide   Arctostaphylos patula - Artemisia tridentata (ssp. vaseyana, ssp. wyomingensis) Shrubland   Arctostaphylos patula / Ceanothus martinii Shrubland   Arctostaphylos patula / Ceanothus velutinus - Ceanothus prostratus Shrubland   Arctostaphylos patula Shrubland   Arctostaphylos patula Sierran Chaparral Shrubland		Names:   UID: ELEMENT_GLOBAL.2.857458 NatureServe Explorer   Code: A0788   Translated: Greenleaf Manzanita - Pinemat Manzanita Shrubland Alliance   Common: Greenleaf Manzanita - Pinemat Manzanita Shrubland   Scientific: Arctostaphylos patula - Arctostaphylos nevadensis Shrubland Alliance