Utah Valley University Herbarium


Accession # 14129 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Tetradymia spinosa Hook. & Arn.
Common name   shortspine horsebrush
R. Van Buren   783  
   with J. Cooper, K.T. Harper
Coll. Date 30 June 2005 
United States
Tooele County
Locality Rush Valley, hills on the NW side of the Pony Express Trail Rd, ca. 2 miles SW of the junction with Utah Highway 36.
     Elev.: 5367 ft. (1636 m.)
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 40° 9'  2.31" N, 112° 27'  32.14" W
Datum WGS84 
Uncertainty Polygon diameter (with coordinate as origin): GPS
Georef. Notes This coordinate was obtained by a GPS unit and an error estimate was not recorded by the user. However due to the accuracy of most units, a polygon diameter between 25 and 250 meters could reasonably be assumed.
Voucher Voucher for "Woody Plants of Utah" by R. Van Buren, K.T. Harper, J. Cooper 
Specimen Notes Journal Code: L6S13. 


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

     Tetradymia spinosa Hook. & Arn.

Common Name(s): shortspine horsebrush, spiny horsebrush.

Taxonomic Hierarchy: (ITIS TSN=38499, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Asteridae
                            Order: Asterales
                                Family: Asteraceae
                                    Genus: Tetradymia
                                        Species: Tetradymia spinosa


Images of other samples of the same species:
specimen image: 02518s1.jpg 
specimen image: 04263s1.jpg 
specimen image: 11679d2.jpg 
specimen image: 15888s1.jpg 
specimen image: 15888d1.jpg 
specimen image: 15888c1.jpg 
specimen image: 15888b1.jpg 
specimen image: 15888a1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
14131 Linanthus pungens      "granite prickly phlox" same section
14130 Tetradymia glabrata      "little-leaf horsebrush" same section


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
East Faust Creek (Stream) Tooele County, UT 1.6 mi. NE   Onaqui Mountains South 
Historical Marker Faust Pony Express Station (Park) Tooele County, UT 2.3 mi. NE 5256  Faust 
Lookout Pass Trail (Well) Tooele County, UT 2.1 mi. W 5466  Faust 
Atherley Dam (Dam) Tooele County, UT 3.1 mi. NE 5214  Faust 
Atherley Reservoir (Reservoir) Tooele County, UT 3.1 mi. NE 5214  Faust 
Vernon Airstrip (Airport) Tooele County, UT 3.8 mi. SE 5499  Vernon 
Red Pine Creek (Stream) Tooele County, UT 3.9 mi. SW   Lookout Pass 
The Church of Jesus Christ of Latter Day Saints (Church) Tooele County, UT 4.1 mi. S 5512  Vernon 
East Faust Canyon (Valley) Tooele County, UT 3.7 mi. NW   Onaqui Mountains South 
Vernon School (School) Tooele County, UT 4.2 mi. S 5525  Vernon 
Vernon (Populated Place) Tooele County, UT 4.3 mi. S 5522  Vernon 
East Government Creek (Stream) Tooele County, UT 4.6 mi. S   Lookout Pass 
Vernon Cemetery (Cemetery) Tooele County, UT 4.7 mi. S 5551  Vernon 
Vernon Creek (Stream) Tooele County, UT 4.9 mi. S   Sabie Mountain 
Rock Canyon (Valley) Tooele County, UT 3.9 mi. W   Onaqui Mountains South 
Faust (Populated Place) Tooele County, UT 4.2 mi. NE 5253  Faust 


Taxon Links for species Tetradymia spinosa  Hook. & Arn.

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