University of Arizona Herbarium
Catalog #: 432851
Occurrence ID (GUID): urn:uuid:8b3af4a4-927a-4cf6-8e33-666da8198d3d
Taxon: Muhlenbergia porteri Scribn. ex Beal
Family: Poaceae
Determiner: Sarah J. De Groot (23 Aug 2014)
Collector: Sarah J. De Groot   7263   
Date: 2014-08-23
Verbatim Date: 23 Aug 2014
Additional Collectors: Naomi Fraga, Cheryl Sevilla, Silvia Olivares
Locality: United States, California, San Bernardino County, Along Kingston Road/Excelsior Mine Road, just south of road fork to Winters Pass, Shadow Valley, east of Shadow Mountains, southwest of Mesquite Mountains, northwest of Clark Mountain, at large wash tributary of Kingston Wash crossing road
35.606  -115.72977  NAD83
Verbatim Coordinates: TRS: T18N R12E sec 32 W edge of NW 1/4 of SW 1/4
Elevation: 976 meters Verbatim Elevation: 3202 ft
Habitat: Large wash, sand and gravel soil, slope about 2 degrees, facing N78W
Substrate: Quaternary alluvium substrate
Associated Species: Larrea tridentata, Ambrosia dumosa, Lycium (2), Psilostrophe cooperi, Yucca brevifolia, Cylindropuntia ramosissima, Psorothamnus, Ephedra, Pectis, Hilaria rigida, Krameria bicolor, Sphaeralcea ambigua, Boerhavia, Chamaesyce micromera, Bouteloua barbata, Allionia incarnata, Erodium cicutarium, Ambrosia salsola, Bahiopsis parishii, Amaranthus fimbriatus, Funastrum utahense
Description: Annuals a bit early, perennial, frequent
Notes: About 6 plants seen here, Pachalka Spring 7.5' quadrangle
Specimen Images
Link to Source: 347972
Record ID: c9272a6b-907d-4f62-9ce8-5dff61501f75
For additional information on this specimen, please contact: ARIZ Herbarium (
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