Name:
Intermountain Sparsely Vegetated Dune Scrub & Grassland Group
Reference:
NatureServe Biotics 2019
Description:
This group occurs on sandy sites in the intermountain western U.S. from the Columbia Basin, Great Basin, and Centennial Valley in Montana, Wyoming Basins, Colorado Plateau and the San Luis Valley of southern Colorado. This group is characterized by open to sparse (<15% total cover) shrub and/or herbaceous vegetation. Characteristic shrubs include <i>Ericameria nauseosa, Eriogonum leptocladon</i>, or <i>Tetradymia tetrameres</i>. Diagnostic herbaceous species are <i>Achnatherum hymenoides, Leymus flavescens, Muhlenbergia pungens, Psoralidium lanceolatum</i>, and <i>Redfieldia flexuosa</i>, which may dominate solely or in a combination. There are several associated species, including graminoids such as <i>Calamovilfa gigantea, Hesperostipa comata, Schizachyrium scoparium</i>, and forbs <i>Heliotropium convolvulaceum, Machaeranthera canescens, Oxytheca dendroidea, Polanisia dodecandra ssp. trachysperma, Polanisia jamesii, Reverchonia arenaria, Sophora stenophylla, Scabrethia scabra</i>, and the annual forb <i>Eriogonum deflexum</i>. Stands occur on active and stable dunes and sandsheets. Elevations range from 1500-2400 m. All sites have cool, semi-arid continental climates. Substrates are eolian sand.
Accession Code:
urn:lsid:vegbank.org:commConcept:40354-{F1584EFA-75B8-45A4-99B8-266DD558A7DA}
Plot-observations of this Community Concept:
0
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