Name:
Eriogonum ovalifolium - Fallugia paradoxa - Andropogon hallii Lava & Cinder Sparse Vegetation Alliance
Reference:
NatureServe Biotics 2019
Description:
This alliance consists of woody, scrub and subshrub-dominated sparse vegetation (<10% cover) with either trees such as <i>Pinus ponderosa, Pinus flexilis</i>, or <i>Juniperus</i> spp. or shrubs such as <i>Artemisia filifolia, Atriplex canescens, Ephedra</i> spp., <i>Eriogonum corymbosum, Eriogonum ovalifolium</i>, and/or <i>Fallugia paradoxa</i>. The grass <i>Andropogon hallii</i> may be dominant (yet sparse) on some sites. Other forbs present may include <i>Chaenactis douglasii, Cryptantha interrupta, Machaeranthera canescens, Phacelia hastata, Stephanomeria minor</i>, and <i>Pleiacanthus spinosus</i>. <i>Allium simillimum, Lewisia rediviva, Mimulus nanus</i>, and <i>Mimulus suksdorfii</i> may be present in the spring. This alliance occurs in the intermountain western U.S. Sites are lava flows, cinder fields and sand dunes. Volcanic substrates include basalt lava and dikes with associated colluvium, basalt cliff faces and uplifted "backbones," tuff, and cinder cones or cinder fields. It may occur as large-patch, small-patch and linear (dikes) spatial patterns.
Accession Code:
urn:lsid:vegbank.org:commConcept:39263-{808CB6D4-DB03-48E8-A5DA-7D7394E02EFB}
Plot-observations of this Community Concept:
0
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