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Quercus turbinella - Garrya flavescens - Arctostaphylos pungens Shrubland | NatureServe Biotics 2019
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Name: Quercus turbinella - Garrya flavescens - Arctostaphylos pungens Shrubland Reference: NatureServe Biotics 2019 Description: This scrub oak shrubland association is currently described from Grand Canyon National Park in Arizona. More survey and classification work are needed to fully characterize this type. It occurs from approximately 2100 to 2450 m (6950-8100 feet) elevation, typically on very steep (30-40°), mid and upper sideslopes. This association strongly favors southern exposures. Soils are rapidly-drained sandy loams derived from various geologic parent materials. This vegetation type often forms large expanses across these environments. This association is characteristically dense and typically supports 60-80% shrub cover. Rich and varied assemblages of chaparral shrub species dominate this association, and the particular composition of species varies somewhat among stands. Dominant shrub species can exist as either tall or short shrubs depending upon site conditions. One major manifestation of this association occurs when <i>Quercus gambelii, Amelanchier utahensis</i>, and <i>Garrya flavescens</i> codominate the thick shrub layer. Another major phase can be seen when <i>Quercus turbinella</i> and <i>Arctostaphylos pungens</i> codominate the short-shrub stratum, and the other shrub species mentioned occur as associates. The full continuum of variation can be seen in many stands. <i>Robinia neomexicana</i> and <i>Cercocarpus montanus</i> occasionally add to the diversity of the tall-shrub stratum. <i>Symphoricarpos</i> spp. sometimes occurs along the ground; however, due to the preponderance of the taller layers, dwarf-shrubs are otherwise absent from this community. Overall, the understory is poorly-developed, but patches of <i>Poa fendleriana</i> occur in most stands. A variety of different species, including <i>Penstemon linarioides, Hymenopappus filifolius, Comandra umbellata, Arabis</i> spp., <i>Packera multilobata, Castilleja linariifolia</i>, and <i>Penstemon rostriflorus</i>, can occur.  Accession Code: urn:lsid:vegbank.org:commConcept:29886-{FB9968FC-2798-4C89-BD0F-94233A4118F5} Plot-observations of this Community Concept: 0
	Party Perspective according to: NatureServe (organization) Perspective from: 30-Jul-2010 to: ongoing
	status: accepted Community's Parent: Quercus turbinella Chaparral Alliance This Community's Level: Association This Community's Children: [none]		Names:   UID: ELEMENT_GLOBAL.2.683555 NatureServe Explorer   Code: CEGL000977   Translated: Sonoran Scrub Oak - Ashy Silktassel - Pointleaf Manzanita Shrubland   Scientific: Quercus turbinella - Garrya flavescens - Arctostaphylos pungens Shrubland (convergence) and Synonyms: (similar) CEGL000977 (similar) Quercus turbinella - Garrya flavescens - Arctostaphylos pungens Shrubland (similar) Quercus turbinella - Garrya flavescens - Arctostaphylos pungens Shrubland