Utah Valley University Herbarium


Accession # 14475 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Ambrosia eriocentra (A. Gray) Payne
Common name   woolly bur-sage
R. Van Buren   1154  
   with J. Cooper
Coll. Date 04 May 2006 
United States
Washington County
Locality in Bentley Wash, ca. 0.5 mile NE of Beaver Dam Wash;
     Elev.: 3543 ft. (1080 m.)
Habitat Notes in gravelly wash, volcanic alluvium; 
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° 17'  3.7" N, 113° 58'  52.68" 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: L7S1. 


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

     Ambrosia eriocentra (Gray) Payne

     Franseria eriocentra Gray

Common Name(s): hollyleaf bursage, woolly bursage, woolly fruit burr ragweed, wooly bursage.

Taxonomic Hierarchy: (ITIS TSN=36507, click for more information and references)

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


Images of other samples of the same species:
specimen image: 04212s2.jpg 
specimen image: 08958s2.jpg 
specimen image: 09351s4.jpg 
specimen image: 10319s2.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
11506 Amsinckia tessellata      "bristly fiddleneck" 1.3 mi. W
11502 Anemone tuberosa      "desert windflower" 1.3 mi. W
11503 Calycoseris parryi      "yellow tackstem" 1.3 mi. W
11512 Calyptridium monandrum     1.3 mi. W
11511 Calyptridium monandrum     1.3 mi. W
11488 Centrostegia thurberi      "Thurber's spineflower" 1.7 mi. SW
11510 Centrostegia thurberi      "Thurber's spineflower" 1.3 mi. W
11505 Chorizanthe brevicornu  var. brevicornu   "brittle spineflower" 1.3 mi. W
11497 Cryptantha barbigera      "bearded forget-me-not" 1.7 mi. SW
11496 Cryptantha micrantha      "purple-rooted forget-me-not" 1.7 mi. SW
11490 Cryptantha pterocarya  var. pterocarya   "winged-nut forget-me-not" 1.7 mi. SW
11509 Delphinium parishii  var. parishii   "Parish's larkspur" 1.3 mi. W
11486 Eriastrum diffusum      "miniature woollystar" 1.7 mi. SW
14473 Eriogonum fasciculatum      "Eastern Mojave wild buckwheat" 823 ft. SE
14474 Eriogonum fasciculatum  var. polifolium   "Eastern Mojave wild buckwheat" 1448 ft. SE
11494 Eriogonum maculatum      "spotted wild buckwheat" 1.7 mi. SW
11480 Eriogonum nidularium      "birdnest wild buckwheat" 1.7 mi. SW
11513 Eriogonum pusillum      "yellow turbans" 1.3 mi. W
11487 Eriophyllum wallacei      "Wallace's easter bonnets" 1.7 mi. SW
11489 Gilia brecciarum  subsp. brecciarum   "Nevada gilia" 1.7 mi. SW
11504 Gilia sinuata      "rosy gilia" 1.3 mi. W
11516 Ipomopsis polycladon      "spreading gilia" 1.3 mi. W
11517 Langloisia setosissima  subsp. setosissima   "Great Basin langloisia" 1.3 mi. W
11493 Lupinus sparsiflorus      "Coulter's lupine" 1.7 mi. SW
11507 Malacothrix clevelandii  var. stebbinsii   "Stebbins' desert-dandelion" 1.3 mi. W
11482 Malacothrix glabrata      "smooth desert-dandelion" 1.7 mi. SW
11508 Mentzelia albicaulis      "whitestem blazingstar" 1.3 mi. W
11483 Oenothera primiveris  var. bufonis  1.7 mi. SW
11495 Pectocarya setosa      "bristly combseed" 1.7 mi. SW
11514 Phacelia fremontii      "Fremont's scorpionweed" 1.3 mi. W
11485 Phacelia fremontii      "Fremont's scorpionweed" 1.7 mi. SW
11515 Plagiobothrys arizonicus      "Arizona popcornflower" 1.3 mi. W
11484 Plantago insularis      "desert plantain" 1.7 mi. SW
11491 Salvia columbariae      "chia" 1.7 mi. SW
11481 Schismus barbatus      "Mediterranean grass" 1.7 mi. SW
11492 Silene antirrhina      "sleepy silene" 1.7 mi. SW


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Bentley Wash (Valley) Washington County, UT 0.7 mi. SW   Motoqua 
Bentley Spring (Spring) Washington County, UT 0.6 mi. W 3409  Motoqua 
Motoqua (Populated Place) Washington County, UT 1.7 mi. NW 3481  Motoqua 
Mormon Range (Range) Washington County, UT 1.9 mi. N 3694  Motoqua 
East Fork Beaver Dam Wash (Valley) Washington County, UT 2.1 mi. N   Maple Ridge 
Red Hollow Reservoir (Reservoir) Washington County, UT 2.5 mi. E 3957  Motoqua 
Red Hollow (Valley) Juab County, UT 3.2 mi. SE   Motoqua 
Red Hollow Spring (Spring) Washington County, UT 2.9 mi. E 4062  Motoqua 
East Bunker Peak Wash (Valley) Washington County, UT 3.5 mi. N   Bunker Peak 
East Bunker Peak Wash (Stream) Lincoln County, NV 3.5 mi. N   Docs Pass 
Dodge Spring (Spring) Washington County, UT 3.3 mi. N 3973  Dodge Spring 
Nordin Ranch (Locale) Washington County, UT 3.5 mi. N 3822  Motoqua 
Jackson Wash (Valley) Juab County, UT 4 mi. S   Gunlock 
Jackson Well (Well) Washington County, UT 4.5 mi. S 3133  West Mountain Peak 
Cane Spring (Spring) Washington County, UT 5 mi. N 4088  Motoqua 
Scarecrow Peak (Summit) Washington County, UT 4.9 mi. SW 4400  Scarecrow Peak 
Bracken Pond (Reservoir) Lincoln County, NV 4.3 mi. W 3852  Dodge Spring 
Horse Canyon (Valley) Washington County, UT 5.6 mi. N   Docs Pass 
Butcher Knife Canyon (Valley) Washington County, UT 5.8 mi. N   Goldstrike 


Taxon Links for species Ambrosia eriocentra  (A. Gray) Payne

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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