Name:
Acacia greggii - Viguiera parishii Desert Wash Shrubland
Reference:
NatureServe Biotics 2019
Description:
This desert wash association is found in the Mojave Desert in Arizona, California, and southern Nevada. It is characterized by an open shrub canopy (9-31% cover) that is codominated by <i>Acacia greggii</i> and <i>Viguiera parishii</i> with <i>Larrea tridentata</i> often present. Additional indicator species include <i>Ephedra viridis, Ferocactus cylindraceus, Thamnosma montana</i>, and <i>Yucca schidigera</i>. Other shrub associates may include <i>Cylindropuntia acanthocarpa, Echinocereus engelmannii, Ephedra nevadensis, Eriogonum fasciculatum, Gutierrezia sarothrae, Phoradendron californicum, Psilostrophe cooperi, Salvia dorrii</i>, and <i>Stephanomeria pauciflora</i>. Herbaceous cover is generally low but variable, ranging from 1 to 78% cover. Commonly associated herbs include <i>Eriogonum inflatum, Dasyochloa pulchella, Penstemon palmeri, Sphaeralcea ambigua</i>, and invasive exotics <i>Bromus rubens</i> and <i>Erodium cicutarium</i>. Stands are found at mid to upper elevations (550-1450 m) primarily in drainage channels, arroyos and adjacent canyon sideslopes. Slopes are generally gentle to moderate (2-37°) with variable aspects. Substrates are rocky alluvial soils with high gravel and cobble content and variable-textured soils (sands, sandy loams, and clay) derived from a variety of substrates such as alkali-granite (alaskite), basalt, gneiss, granodiorite, limestone, and rhyolite.
Accession Code:
urn:lsid:vegbank.org:commConcept:37444-{39B49C04-0ACC-448C-9847-E15590B2C893}
Plot-observations of this Community Concept:
0
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