Utah Valley University Herbarium


Accession # 04776 
Family - UVUAPG III FamilyCronquist FamilyA Utah Flora
Species Xanthium strumarium L.
Infraspecific    var. canadense (Mill.) Torr. & Gray
Common name   Canada cocklebur
K.T. Harper   113  
Coll. Date 14 October 2000 
Geography United States.  Utah.  Utah County
Locality UVSC wetlands. 
Habitat Notes in upland area. 
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° 17'  48" N, 111° 42'  39" W
Township Range T6S, R2E, Sec. 15  
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):

     Xanthium strumarium var. canadense (P. Mill.) Torr. & Gray

     Xanthium acerosum Greene
     Xanthium californicum Greene
     Xanthium californicum var. rotundifolium Widder
     Xanthium campestre Greene
     Xanthium canadense P. Mill.
     Xanthium cavanillesii Schouw
     Xanthium cenchroides Millsp. & Sherff
     Xanthium commune Britt.
     Xanthium echinatum Murr.
     Xanthium glanduliferum Greene
     Xanthium italicum Moretti
     Xanthium macounii Britt.
     Xanthium oligacanthum Piper
     Xanthium oviforme Wallr.
     Xanthium pensylvanicum Wallr.
     Xanthium saccharatum Wallr.
     Xanthium speciosum Kearney
     Xanthium strumarium ssp. italicum (Moretti) D. Löve
     Xanthium strumarium var. oviforme (Wallr.) M.E. Peck
     Xanthium strumarium var. pensylvanicum (Wallr.) M.E. Peck
     Xanthium varians Greene

Common Name(s): Canada cocklebur, Canada cockleburr, cocklebur, common cocklebur, rough cocklebur, rough cockleburr.

Taxonomic Hierarchy: (ITIS TSN=530872, click for more information and references)

        Kingdom: Plantae
            Subkingdom: Tracheobionta
                Division: Magnoliophyta
                    Class: Magnoliopsida
                        Subclass: Asteridae
                            Order: Asterales
                                Family: Asteraceae
                                    Genus: Xanthium
                                        Species: Xanthium strumarium
                                            Variety: Xanthium strumarium var. canadense


Available images of this specimen (click to view):
specimen image: 04776s1.jpg

Images of other samples of the same species:
specimen image: 02595s1.jpg 
specimen image: 05529s1.jpg 
specimen image: 07060s1.jpg 
specimen image: 10893s1.jpg 

Nearby Accessions

Other accessions in the database collected near this one:

Accession Name Dist., dir.
02831 Acer platanoides      "Norway maple" 1.4 mi. SW
05006 Acer rubrum      "red maple" 1.4 mi. SE
04548 Agrostis capillaris      "colonial bentgrass" 1.4 mi. SE
15223 Ailanthus altissima      "tree of heaven" 1.8 mi. S
15248 Ailanthus altissima      "tree of heaven" same section
15260 Ailanthus altissima      "tree of heaven" 1 mi. SE
04778 Amaranthus retroflexus      "redroot pigweed" same section
02600 Ambrosia artemisiifolia      "annual ragweed" 1 mi. S
02788 Aquilegia caerulea  var. ochroleuca   "white Colorado columbine" 1 mi. N
02619 Asclepias incarnata      "swamp milkweed" 1 mi. S
02778 Asclepias speciosa      "showy milkweed" 1 mi. N
02625 Asclepias speciosa      "showy milkweed" 1 mi. S
04772 Berula erecta      "cut-leaf water parsnip" same section
04770 Bidens cernua      "nodding beggarticks" same section
02781 Campanula rapunculoides      "rampion bellflower" 1 mi. N
02602 Chrysothamnus viscidiflorus  var. viscidiflorus   "yellow rabbitbrush" 1 mi. S
02601 Chrysothamnus viscidiflorus  var. viscidiflorus   "yellow rabbitbrush" 1 mi. S
02576 Corylus americana      "American hazelnut" 1 mi. S
04768 Cyperus esculentus  var. leptostachyus   "yellow nutsedge" same section
04766 Digitaria sanguinalis      "hairy crabgrass" same section
02854 Diplotaxis muralis      "annual wall rocket" 1 mi. S
04554 Distichlis spicata      "saltgrass" 1.4 mi. SE
04552 Echinochloa crus-galli      "barnyardgrass" 1.4 mi. SE
02606 Elaeagnus angustifolia      "Russian olive" 1 mi. S
02612 Elaeagnus angustifolia  var. angustifolia   "Russian olive" 1 mi. S
04547 Elymus canadensis  var. canadensis   "Canada wildrye" 1.4 mi. SE
04550 Elymus trachycaulus  ssp. trachycaulus   "slender wheatgrass" 1.4 mi. SE
04762 Elymus trachycaulus x      "slender wheatgrass" same section
02594 Eupatorium maculatum  var. bruneri   "spotted joe pye weed" 1 mi. S
02610 Helianthus annuus  ssp. lenticularis   "common sunflower" 1 mi. S
10175 Holosteum umbellatum  var. umbellatum   "Holosteum" 1 mi. S
02621 Hordeum jubatum  ssp. intermedium   "intermediate barley" 1 mi. S
04777 Lemna minor      "common duckweed" same section
08686 Liquidambar stryaciflua      "sweetgum" 1.4 mi. SE
04775 Machaeranthera tanacetifolia      "tanseyleaf tansy aster" same section
02613 Malva neglecta      "common mallow" 1 mi. S
02605 Melilotus officinalis      "yellow sweetclover" 1 mi. S
02599 Mentha citrata     1 mi. S
04553 Muhlenbergia asperifolia      "scratchgrass" 1.4 mi. SE
02780 Nasturtium officinale      "watercress" 1 mi. N
02608 Nepeta cataria      "catnip" 1 mi. S
02626 Onopordum acanthium      "Scotch thistle" 1 mi. S
04578 Panicum miliaceum      "broomcorn millet" 1.2 mi. SE
X0243 Panicum miliaceum      "broomcorn millet" 1.2 mi. SE
04769 Phalaris arundinacea      "reed canarygrass" same section
04577 Phragmites australis      "common reed" 1.4 mi. SE
04764 Physalis longifolia      "long-leaf groundcherry" same section
02615 Plantago major      "common plantain" 1 mi. S
02603 Polygonum persicaria      "spotted ladysthumb" 1 mi. S
04556 Polypogon monspeliensis      "rabbitsfoot grass" 1.4 mi. SE
02164 Populus deltoides  var. fremontii   "Fremont's cottonwood" 1.4 mi. SE
02598 Rosa canina      "dog rose" 1 mi. S
04771 Rumex crispus      "curly dock" same section
02627 Rumex patientia      "patience dock" 1 mi. S
04761 Sagittaria cuneata      "arum-leaf arrowhead" same section
04580 Sagittaria cuneata      "arum-leaf arrowhead" 1.4 mi. SE
04767 Schedonorus pratensis      "meadow fescue" same section
04765 Scirpus acutus     same section
02616 Scirpus americanus     1 mi. S
04549 Setaria viridis      "green bristlegrass" 1.4 mi. SE
02609 Solanum dulcamara      "climbing nightshade" 1 mi. S
04733 Solanum sarrachoides     1 mi. S
02782 Solidago lepida  var. salebrosa   "Mountains Canada goldenrod" 1 mi. N
02596 Sonchus arvensis      "field sowthistle" 1 mi. S
02617 Sonchus asper      "spiny sowthistle" 1 mi. S
04551 Sporobolus cryptandrus      "sand dropseed" 1.4 mi. SE
02614 Symphyotrichum ascendens      "western aster" 1 mi. S
02597 Tamarix chinensis      "five-stamen tamarisk" 1 mi. S
04763 Thinopyrum ponticum      "tall wheatgrass" same section
02611 Tribulus terrestris      "puncturevine" 1 mi. S
04779 Typha domingensis      "southern cattail" same section
02607 Typha latifolia      "broad-leaf cattail" 1 mi. S
02604 Urtica dioica  var. occidentalis  1 mi. S
02593 Verbascum thapsus      "common mullein" 1 mi. S
02624 Verbena hastata      "swamp verbena" 1 mi. S
02779 Veronica anagallis-aquatica      "water speedwell" 1 mi. N
04773 Veronica anagallis-aquatica      "water speedwell" same section
02595 Xanthium strumarium  var. canadense   "Canada cocklebur" 1 mi. S


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

Name County Dist., dir. Elevation (ft.) 7.5' Quad Name
Mountain View High School (School) Utah County, UT 303 ft. N 4744  Orem 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 736 ft. N 4748  Orem 
Suncrest School (School) Utah County, UT 1205 ft. N 4744  Orem 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1161 ft. N 4741  Orem 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1853 ft. E 4754  Orem 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1951 ft. NW 4731  Orem 
Geneva School (School) Utah County, UT 2515 ft. N 4744  Orem 
Orem School (School) Utah County, UT 2932 ft. SE 4748  Orem 
Orem Community Hospital (Hospital) Utah County, UT 0.7 mi. N 4757  Orem 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 0.7 mi. N 4754  Orem 
Provo Bench (Bench) Utah County, UT 0.7 mi. NE 4764  Orem 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 0.8 mi. SE 4748  Orem 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 0.8 mi. N 4731  Orem 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 0.7 mi. SE 4757  Orem 
Orem Junior High School (School) Utah County, UT 1 mi. N 4744  Orem 
Orem Station (Populated Place) Utah County, UT 1 mi. N 4757  Orem 
Grace Baptist Church (Church) Utah County, UT 0.8 mi. SW 4597  Orem 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 0.9 mi. SW 4593  Orem 
The Church of Jesus Christ of Latter Day Saints (Church) Utah County, UT 1 mi. N 4731  Orem 
Orem Plaza Center Street (Locale) Utah County, UT 0.8 mi. E 4774  Orem 


Taxon Links for species Xanthium strumarium  L.

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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