Utah Valley University Herbarium


Accession # 11520 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Chamaesyce albomarginata (Torr. & Gray) Small
Common name   rattlesnake weed
Donna M. Barnes   4967  
Coll. Date 26 April 2006 
United States
Washington County
Locality dirt road S of Motoqua, E of Beaver Dam Wash, [E of the landing strip on the east side of the East Fork of Beaver Dam Wash, ca. 3 air miles NE of Motoqua;
     Elev.: 4382 ft. (1336 m.)
Habitat Notes gravelly soil; 
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 37° 19'  31" N, 113° 57'  2" W
Datum WGS84 
Uncertainty Polygon diameter (with coordinate as origin): 30" (900 m.)
Specimen Notes 2004 burn area. 


Synonyms recognized by ITIS (bold taxon is currently accepted):

     Chamaesyce albomarginata (Torr. & Gray) Small

     Euphorbia albomarginata Torr. & Gray

Common Name(s): rattlesnake weed, whitemargin eupatorium, whitemargin euphorbia, whitemargin sandmat, whitemargin spurge.

Taxonomic Hierarchy: (ITIS TSN=501400, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Rosidae
                            Order: Euphorbiales
                                Family: Euphorbiaceae
                                    Genus: Chamaesyce
                                        Species: Chamaesyce albomarginata


Available images of this specimen (click to view):
specimen image: 11520s1.jpg specimen image: 11520f1.jpg

Images of other samples of the same species:
specimen image: 00408s1.jpg 
specimen image: 02774s1.jpg 
specimen image: 04894s1.jpg 
specimen image: 08365s2.jpg 
specimen image: 08670s1.jpg 
specimen image: 09451s1.jpg 
specimen image: 11541d1.jpg 
specimen image: 11541s1.jpg 
specimen image: 11600d1.jpg 
specimen image: 11600s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
11524 Corydalis aurea      "golden fumewort" same section
11518 Malacothrix sonchoides      "sowthistle desert-dandelion" same section
11522 Montia perfoliata  var. utahensis  same section
11519 Pectocarya setosa      "bristly combseed" same section
11521 Phacelia curvipes      "Washoe scorpionweed" same section
11523 Phlox longifolia      "long-leaf phlox" same section


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Nordin Ranch (Locale) Washington County, UT 0.7 mi. NW 3822  Motoqua 
Red Hollow Spring (Spring) Washington County, UT 1.9 mi. SE 4062  Motoqua 
Mormon Range (Range) Washington County, UT 2 mi. SW 3694  Motoqua 
Red Hollow Reservoir (Reservoir) Washington County, UT 2.5 mi. S 3957  Motoqua 
Butcher Knife Canyon (Valley) Washington County, UT 2.6 mi. N   Goldstrike 
Cane Spring (Spring) Washington County, UT 2.6 mi. NW 4088  Motoqua 
East Bunker Peak Wash (Valley) Washington County, UT 2.3 mi. W   Bunker Peak 
East Bunker Peak Wash (Stream) Lincoln County, NV 2.3 mi. W   Docs Pass 
Potters Peak (Summit) Washington County, UT 3.3 mi. N 4800  Motoqua 
East Fork Beaver Dam Wash (Valley) Washington County, UT 2.9 mi. W   Maple Ridge 
Motoqua (Populated Place) Washington County, UT 3.1 mi. SW 3481  Motoqua 
Black Canyon (Valley) Washington County, UT 3.8 mi. N   Goldstrike 
Bentley Spring (Spring) Washington County, UT 3.6 mi. SW 3409  Motoqua 
Bentley Wash (Valley) Washington County, UT 3.9 mi. SW   Motoqua 
Horse Canyon (Valley) Washington County, UT 3.7 mi. NW   Docs Pass 
Dodge Spring (Spring) Washington County, UT 3.5 mi. W 3973  Dodge Spring 
Square Top Mountain (Summit) Washington County, UT 3.8 mi. E 6989  Motoqua 
Slaughter Creek (Stream) Washington County, UT 4.7 mi. NW   Goldstrike 
Jackson Spring (Spring) Washington County, UT 4.7 mi. SE 3963  Motoqua 
Bull Run Mine (Mine) Washington County, UT 5.2 mi. NE 4685  Goldstrike 


Taxon Links for species Chamaesyce albomarginata  (Torr. & Gray) Small

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:

Zooming out might reveal more collections in other states.

Note: Printing this page will show all information sequentially.   edit