Utah Valley University Herbarium


Accession # 07046 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Ambrosia acanthicarpa Hook.
Common name   flatspine bur ragweed
Donna M. Barnes   2557  
Coll. Date 29 August 2002 
United States
Locality Spanish Fork Canyon, Tie Fork.
     Elev.: 6560 ft. (2000 m.)
Habitat Notes pinyon-juniper community; silty 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 39° 57'  55" N, 111° 12'  51" W
Township Range T10S, R6E, Sec. 11  
Datum Not recorded
Uncertainty Not calculated
TRS Notes Latitude and longitude were derived from township and range information and may be
inaccurate by as much as 0.7 miles (or 4.2 miles if the section is not given).


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

     Ambrosia acanthicarpa Hook.

     Franseria acanthicarpa (Hook.) Coville
     Gaertneria acanthicarpa (Hook.) Britt.

Common Name(s): annual bursage, bursage, bursage ragweed, flatspine burr ragweed, flat-spine burr-ragweed, sand bursage.

Taxonomic Hierarchy: (ITIS TSN=36497, click for more information and references)

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


Available images of this specimen (click to view):
specimen image: 07046s2.jpg

Images of other samples of the same species:
specimen image: 02589s2.jpg 
specimen image: 02590s2.jpg 
specimen image: 03220s2.jpg 
specimen image: 05509s2.jpg 
specimen image: 07193s3.jpg 
specimen image: 11047s3.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
02160 Alnus incana  subsp. rugosa   "speckled alder" 2.2 mi. SW
07043 Astragalus tenellus      "loose-flowered milkvetch" same section
07042 Chrysothamnus depressus      "dwarf rabbitbrush" same section
07045 Chrysothamnus depressus      "dwarf rabbitbrush" same section
07044 Eriogonum cernuum      "nodding wild buckwheat" same section
07048 Eriogonum racemosum  var. racemosum   "redroot wild buckwheat" same section
02509 Humulus lupulus  var. neomexicanus   "common hop" 2.2 mi. SW
01338 Humulus lupulus  var. neomexicanus   "common hop" same section
02161 Humulus lupulus  var. neomexicanus   "common hop" 2.2 mi. SW
07047 Mirabilis linearis  var. linearis  same section
02162 Salix lucida  subsp. caudata   "greenleaf willow" 2.2 mi. SW


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Watson Canyon (Valley) Utah County, UT 1409 ft. NE   Tucker 
Cottonwood Canyon (Valley) Utah County, UT 2472 ft. S   Tucker 
West Canyon (Valley) Utah County, UT 2630 ft. N   Rays Valley 
Spring Canyon (Valley) Utah County, UT 2984 ft. S   Tucker 
Sky View (Populated Place) Utah County, UT 1 mi. S 6322  Tucker 
Tie Fork (Stream) Utah County, UT 1.1 mi. S   Strawberry Reservoir SW 
Soberville Hollow (Valley) Utah County, UT 1.2 mi. N   Tucker 
Drunkard Hollow (Valley) Utah County, UT 1.4 mi. N   Tucker 
Mud Hollow (Valley) Utah County, UT 1.7 mi. N   Tucker 
Hicks Canyon (Valley) Utah County, UT 1.4 mi. W   Tucker 
Indian Creek (Stream) Utah County, UT 1.7 mi. S   Tucker 
Mine Hollow (Valley) Utah County, UT 1.8 mi. N   Strawberry Reservoir SW 
Detour (Locale) Utah County, UT 1.5 mi. SW 6083  Tucker 
Baker Canyon (Valley) Utah County, UT 2 mi. N   Strawberry Reservoir SW 
High Peak (Summit) Utah County, UT 2.1 mi. S 7258  Tucker 
Tucker Rest Area (Locale) Utah County, UT 2.2 mi. S 6240  Tucker 
Clear Creek (Stream) Utah County, UT 2.2 mi. S   Tucker 
Tucker (Populated Place) Utah County, UT 2.3 mi. S 6290  Tucker 
Starvation Canyon (Valley) Utah County, UT 2.4 mi. S   Scofield Reservoir 
Starvation Creek (Stream) Utah County, UT 2.4 mi. S   Scofield Reservoir 


Taxon Links for species Ambrosia acanthicarpa  Hook.

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.

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