Utah Valley University Herbarium


Accession # 00912 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Descurainia pinnata (Walter) Britton
Infraspecific    var. osmiarum (Cockerell) Shinners
J.G. Harris   1888  
Coll. Date 07 May 1988 
United States
Emery County
Locality San Rafael Swell, Buckhorn Draw, ca. 1.5 km from Buckhorn Flats road.
     Elev.: 5543 ft. (1690 m.)
Habitat Notes wash bottom community 
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 39° 9'  49" N, 110° 43'  56" W
Township Range T19S, R11E, Sec. 18  
Datum Not recorded
Uncertainty Not calculated


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

     Descurainia pinnata ssp. halictorum (Cockerell) Detling

     Descurainia halictorum var. andrenarium (Cockerell) O.E. Schulz
     Descurainia pinnata var. halictorum (Cockerell) M.E. Peck
     Descurainia pinnata var. osmiarum (Cockerell) Shinners
     Sophia andrenarium Cockerell
     Sophia andrenarium var. osmiarum Cockerell
     Sophia halictorum Cockerell

Common Name(s): western tansy mustard, western tansymustard.

Taxonomic Hierarchy: (ITIS TSN=22831, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Dilleniidae
                            Order: Capparales
                                Family: Brassicaceae
                                    Genus: Descurainia
                                        Species: Descurainia pinnata
                                            Subspecies: Descurainia pinnata ssp. halictorum


Available images of this specimen (click to view):
specimen image: 00912s3.jpg

Images of other samples of the same species:
specimen image: 00063s3.jpg 
specimen image: 00064s3.jpg 
specimen image: 01008s3.jpg 
specimen image: 02665s4.jpg 
specimen image: 06087s3.jpg 
specimen image: 06728s3.jpg 
specimen image: 06872s3.jpg 
specimen image: 08189s3.jpg 
specimen image: 08642s2.jpg 
specimen image: 08718s3.jpg 
specimen image: 09322s3.jpg 
specimen image: 11070s3.jpg 
specimen image: 11291s3.jpg 
specimen image: 11352s1.jpg 
specimen image: 11474f1.jpg 
specimen image: 13592s1.jpg 
specimen image: 13646s1.jpg 
specimen image: 13717s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
00049 Acer negundo      "boxelder" 1.6 mi. W
00437 Acer negundo      "boxelder" 1.3 mi. SW
00054 Amelanchier utahensis      "Utah serviceberry" 1.6 mi. W
00057 Aquilegia micrantha      "Mancos columbine" 1 mi. SW
00051 Astragalus mollissimus  var. thompsoniae   "Thompson's woolly milkvetch" same section
00377 Astragalus utahensis      "Utah milkvetch" 1.3 mi. SW
14567 Brickellia microphylla  var. scabra   "rough brickellbush" 1486 ft. SW
00911 Bromus tectorum      "cheatgrass" same section
03149 Buellia elegans      "elegant disc lichen" 1.2 mi. SW
00061 Chaetopappa ericoides      "rose-heath" same section
02878 Chaetopappa ericoides      "rose-heath" 1.3 mi. SW
03151 Cladonia pyxidata      "cup lichen" 1.2 mi. SW
00044 Corydalis aurea  var. occidentalis   "golden fumewort" 1.6 mi. W
00055 Echinocereus triglochidiatus  var. melanacanthus  same section
03154 Endocarpon pusillum      "chalice lichen" 1.2 mi. SW
03156 Heppia lutosa      "heppia lichen" 1.2 mi. SW
00910 Lappula occidentalis  var. cupulata   "western stickseed" same section
00045 Lepidium densiflorum  var. densiflorum   "common peppercress" same section
00046 Mahonia fremontii      "Fremont's mahonia" 1.6 mi. W
00047 Malcolmia africana      "African mustard" same section
14566 Philadelphus microphyllus      "little-leaf mock orange" 1486 ft. SW
03162 Physconia muscigena      "frosted lichen" 1.2 mi. SW
00908 Poa fendleriana  subsp. longiligula   "muttongrass" 1.6 mi. W
03168 Psora tuckermanii      "Tuckerman's fishscale lichen" 1.2 mi. SW
00041 Rhus aromatica  var. simplicifolia   "skunkbush sumac" 1.6 mi. W
00909 Schoenocrambe linifolia      "flaxleaf plainsmustard" 1.6 mi. W
00048 Selaginella mutica      "awnless spikemoss" 1.6 mi. W
00050 Senecio multilobatus      "lobeleaf groundsel" same section
03171 Toninia tristis      "bruised lichen" 1.2 mi. SW
00062 Townsendia incana      "silvery Townsend-daisy" same section


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Furniture Draw (Valley) Emery County, UT 739 ft. E   Bob Hill Knoll 
Bitter Seep (Spring) Emery County, UT 0.9 mi. N 5729  Bob Hill Knoll 
Buckhorn Corral (Locale) Emery County, UT 1 mi. NW 5620  Bob Hill Knoll 
Swazy Hole (Lake) Emery County, UT 1.2 mi. SW 5725  Bob Hill Knoll 
Aldys Hole (Lake) Emery County, UT 1.4 mi. S 5889  Bob Hill Knoll 
Drought Relief Reservoir (Reservoir) Emery County, UT 1.3 mi. W 5588  Buckhorn Reservoir 
The Wedge (Plain) Emery County, UT 1.8 mi. S 5968  Bob Hill Knoll 
Dog Ponds (Lake) Emery County, UT 2.3 mi. N 5761  Bob Hill Knoll 
Buckhorn Flat (Flat) Emery County, UT 2.1 mi. NW 5624  Buckhorn Reservoir 
Cloyds Pond (Lake) Emery County, UT 2 mi. W 5722  Buckhorn Reservoir 
Little Holes (Lake) Emery County, UT 2.5 mi. E 5991  Bob Hill Knoll 
Wedge Overlook (Locale) Emery County, UT 2.8 mi. SW 5919  Buckhorn Reservoir 
The Wedge Overlook (Locale) Emery County, UT 3.5 mi. S 6178  Bottleneck Peak 
Wedge Pond Number 1 (Lake) Emery County, UT 3.1 mi. SW 5843  Buckhorn Reservoir 
Jim Wilson Reservoir (Reservoir) Emery County, UT 3.5 mi. N 5758  Buckhorn Reservoir 
Bob Hill Flat (Flat) Emery County, UT 3.5 mi. NE 7189  Bob Hill Knoll 
Bob Hill Knoll (Summit) Emery County, UT 3.7 mi. NE 7264  Bob Hill Knoll 
Buckhorn Well (Well) Emery County, UT 3.2 mi. W 5620  Buckhorn Reservoir 
Mud Spring (Spring) Emery County, UT 4 mi. N 6933  Bob Hill Knoll 
Wedge Pond Number 4 (Lake) Emery County, UT 4.1 mi. S 6132  Sids Mountain 


Taxon Links for species Descurainia pinnata  (Walter) Britton

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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