Utah Valley University Herbarium


Accession # 03164 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Psora crenata (Taylor) Reinke
Common name   crenate fishscale lichen
L.L. St. Clair   C-22009  
   with C. Newberry
Coll. Date 20 April 1992 
United States
Mohave County
Locality Black Rock area, ca. 4 km S of I-15 Black Rock interchange.
     Elev.: 3116 ft. (950 m.)
Habitat Notes Upper Mojave desert, dominated by Coleogyne ramosissima, Larrea tridentata, gypsiferous shale, Moenkopi Formation, highly developed cryptogamic soil crust. 
Climate NCDC temperatures, daily high (red), daily average (green) and daily low (blue), from 1970 to 2000 at this location.   NCDC average monthly precipitation from 1970 to 2000 at this location.
Latitude Longitude 36° 57'  N, 113° 38'  W
Datum Not recorded
Uncertainty Polygon diameter (with coordinate as origin): 1' (1800 m.)


No synonyms recognized in the ITIS database.


Available images of this specimen (click to view):
specimen image: 03164s1.jpg

Images of other samples of the same species:
specimen image: 03946s1.jpg 
specimen image: 03947s1.jpg 

Nearby Accessions

  There are no nearby accessions.


Nearby locations from the USGS Geographic Name Information System (GNIS) database:

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Black Knolls (Summit) Mohave County, AZ 1.4 mi. NW 3583  Purgatory Canyon 
Lizard Spring (Spring) Mohave County, AZ 2 mi. SE 3622  Lizard Point 
Black Rock Interchange (Crossing) Mohave County, AZ 2.3 mi. N 2799  Purgatory Canyon 
Dinner Flat (Flat) Mohave County, AZ 2.5 mi. SW 3557  Purgatory Canyon 
Lizard Point (Cape) Mohave County, AZ 2.7 mi. SE 4807  Lizard Point 
State Line Reservoir (Reservoir) Mohave County, AZ 3 mi. NW 2694  Purgatory Canyon 
Pocket Hill (Summit) Mohave County, AZ 3.4 mi. SW 3806  Purgatory Canyon 
Mokaac Mountain (Summit) Mohave County, AZ 4.2 mi. S 5177  Purgatory Canyon 
Little Purgatory Canyon (Valley) Mohave County, AZ 3.7 mi. SW   Wolf Hole Mountain West 
Starvation Point (Cape) Washington County, UT 4.1 mi. N 2927  White Hills 
Big Valley (Basin) Washington County, UT 4.2 mi. N 2635  Saint George 
Big Valley (Valley) Mohave County, AZ 4.2 mi. N   Purgatory Canyon 
Mokaac Wash (Arroyo) Mohave County, AZ 4.1 mi. NE   Lizard Point 
North Tank (Reservoir) Mohave County, AZ 4.6 mi. S 4944  Lizard Point 
The Dives (Cliff) Mohave County, AZ 4.4 mi. SW 3465  Purgatory Canyon 
Little Round Valley (Basin) Washington County, UT 4.9 mi. N 2464  White Hills 
Lizard Wash (Valley) Mohave County, AZ 4.8 mi. N   Lizard Point 
Lizard Wash (Valley) Washington County, UT 4.8 mi. N 2595  Saint George 
Mokaac Spring (Spring) Mohave County, AZ 4.5 mi. SE 3612  Lizard Point 
Gardener Well (Well) Mohave County, AZ 4.6 mi. NE 2720  Lizard Point 


Taxon Links for species Psora crenata  (Taylor) Reinke

CalPhotos, Berkeley Digital Library Project

CNPS Manual of California Vegetation Database

USDA Plants database
University of Washington Herbarium: Plants of Washington (images)

Texas A&M University: Image Library (images)

Lady Bird Johnson's Wildflower Center

Google Images

External link to this species in the UVU Herbarium:

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