Utah Valley University Herbarium


Accession # 11782 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Eriogonum caespitosum Nutt.
Common name   matted wild buckwheat
Donna M. Barnes   5201  
Coll. Date 26 June 2006 
United States
Box Elder County
Locality Pilot Range, Patterson Pass;
     Elev.: 6906 ft. (2105 m.)
Habitat Notes mountain shrub community; rock crevices, 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 41° 12'  49.8" N, 114° 2'  17.3" W
Datum Not recorded
Uncertainty Polygon diameter (with coordinate as origin): 1' (1800 m.)


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

     Eriogonum caespitosum Nutt.

     Eriogonum sphaerocephalum var. sericoleucum (Greene) S. Stokes

Common Name(s): mat buckwheat, mat eriogonum, matted buckwheat, matted wild buckwheat.

Taxonomic Hierarchy: (ITIS TSN=21086, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Caryophyllidae
                            Order: Polygonales
                                Family: Polygonaceae
                                    Genus: Eriogonum
                                        Species: Eriogonum caespitosum


Available images of this specimen (click to view):
specimen image: 11782s1.jpg specimen image: 11782d1.jpg

Images of other samples of the same species:
specimen image: 04194s1.jpg 
specimen image: 11461f1.jpg 
specimen image: 11461s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
11774 Achnatherum lettermanii      "Letterman's needlegrass" same section
11776 Cercocarpus ledifolius      "curl-leaf mountain mahogany" same section
11784 Chaenactis douglasii      "Douglas' dusty-maiden" same section
11779 Chamaebatiaria millefolium      "fernbush" same section
11781 Cryptantha ambigua      "basin cat's eye" same section
11780 Erigeron linearis      "desert yellow fleabane" same section
11783 Eriogonum heracleoides      "parsnip-flowered wild buckwheat" same section
11773 Eriogonum microthecum  var. laxiflorum   "Great Basin wild buckwheat" same section
11771 Gayophytum ramosissimum      "pinyon groundsmoke" same section
11775 Heuchera parvifolia      "little-leaf alumroot" same section
11777 Holodiscus dumosus      "mountainspray" same section
11772 Phacelia hastata  var. hastata   "alpine silverleaf scorpionweed" same section
11778 Rhus aromatica  var. trilobata   "skunkbush sumac" same section


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Mineral Mountain (Summit) Box Elder County, UT 1.1 mi. NE 6966  Patterson Pass 
Cook Canyon (Valley) Elko County, NV 1.1 mi. W   Patterson Pass 
Hogans Alley (Valley) Box Elder County, UT 1.1 mi. W   Patterson Pass 
Sheep Range Spring (Spring) Box Elder County, UT 1.5 mi. NE 7218  Patterson Pass 
McGinty Ridge (Ridge) Box Elder County, UT 1.8 mi. E 6762  Patterson Pass 
Patterson Pass (Gap) Box Elder County, UT 2.1 mi. SE 6880  Patterson Pass 
Copper Mountain (Summit) Box Elder County, UT 2.5 mi. NE 7304  Patterson Pass 
Buell (historical) (Populated Place) Elko County, NV 2.9 mi. N 5834  Tecoma 
Buel Post Office (Post Office) Elko County, NV 2.9 mi. N 5834  Tecoma 
Lucin Mining District (Civil) Elko County, NV 2.9 mi. N 5542  Tecoma 
Box Canyon (Valley) Box Elder County, UT 2.8 mi. NW   Patterson Pass 
Governors Spring (Spring) Box Elder County, UT 3.1 mi. NE 6496  Tecoma 
Bald Eagle Mountain (Summit) Box Elder County, UT 3.7 mi. N 7963  Tecoma 
East Canyon (Valley) Elko County, NV 3.9 mi. N   Tecoma 
East Canyon (Valley) Box Elder County, UT 3.9 mi. N   Tecoma 
Patterson Pass Spring (Spring) Box Elder County, UT 3.1 mi. SE 5611  Crater Island NW 
Pearson Ranch (Locale) Elko County, NV 3.9 mi. N 5423  Tecoma 
Tuttle (Locale) Elko County, NV 3.9 mi. N 5430  Tecoma 
McLaughlin Spring (Spring) Box Elder County, UT 3.2 mi. E 5620  Crater Island NW 
Parson Springs (Spring) Elko County, NV 4.3 mi. S 5968  Patterson Pass 


Taxon Links for species Eriogonum caespitosum  Nutt.

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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