[Specimen details]

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L. - Determined By: B. F. Hansen, Jul 2007
Determination History
Xanthium strumarium L. glabratum DC. Cronq.
Locality USA. Florida , Hillsborough Co. : Tampa, along Livingstone Avenue, 1 mi. N of intersection with Sinclair Road. 27° 56' 51" N 82° 27' 30" W
Habitat Disturbed roadside.
Reproductive State Fruit
Collector E. Jones 128
Collection Date 14 Nov 1980
Accession Number 151080
Image 151080.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L. - Determined By: B. F. Hansen, Jul 2007
Determination History
Xanthium strumarium L. glabratum DC. Cronq.
Locality USA. Florida , Brevard Co. : North Merritt's Island. SE of Haulover Canal, off FL 3. Old homesite, near old foundations. T20S, R36E, Sec. 19.
Habitat Ruderal; abandoned animals pens.
Reproductive State Fruit
Collector A.G. Shuey
Collection Date 9 Oct 1973
Accession Number 118908
Image 118908.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L. - Determined By: B. F. Hansen, Jul 2007
Determination History
Xanthium strumarium L. glabratum DC. Cronq.
Locality USA. Florida , Hillsborough Co. : N of Vernon Road (Lutz-Lake Fern Road), ca. 3 mi. W of junction with FL 597. T27S, R18E, Sec. 5. 28° 9' 4" N 82° 27' 41" W
Habitat Overgrazed bahia grass [Paspalum notatum] pasture.
Reproductive State Fertile
Collector R. P. Wunderlin 10204
with B.F. Hanse, S. Santos, S. Mortellaro
Collection Date 10 Jun 1986
Accession Number 189579
Image 189579.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L.
Locality USA. Florida , DeSoto Co. : 7 mi. S of Arcadia on FL 17, 0.5 mi. down Wood Road. 27° 12' 57" N 81° 51' 30" W
Habitat Roadside ditch grading into weedy open field.
Reproductive State Fruit
Collector A. Fulton 164
Collection Date 26 Sep 1978
Accession Number 146549
Image 146549.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L. - Determined By: B. F. Hansen, Jul 2007
Determination History
Xanthium strumarium L. canadense Mill. Torr. & A. Gray
Locality USA. Florida , Escambia Co. : E edge of Pensacola, off E side of [Pensacola Bluffs] Scenic Highway at the Bayview Memorial Cemetary. 30° 24' 33" N 87° 12' 51" W
Habitat Drainage ditch at the base of the bluff.
Reproductive State Fruit
Collector G. Wilhelm 11846
Collection Date 20 Nov 1983
Accession Number 181055
Image 181055.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L. - Determined By: B. F. Hansen, Jul 2007
Determination History
Xanthium strumarium L. glabratum DC. Cronq.
Xanthium strumarium L. canadense Mill. Torr. & A. Gray - Determined By: Wunderlin, 1986
Locality USA. Florida , Escambia Co. : Pensacola, along Bus. 90 [US 90?], at railroad spur crossing and bridge adjacent to Laura Point. 30° 24' 33" N 87° 12' 51" W
Reproductive State Fruit
Collector G. Wilhelm 10238
Collection Date 2 Jun 1982
Accession Number 169886
Image 169886.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L. - Determined By: B. F. Hansen, Jul 2007
Determination History
Xanthium chinense Mill.
Xanthium strumarium L. glabratum DC. Cronq. - Determined By: Wunderlin, 1976
Locality USA. Florida , Wakulla Co. : 2 mi. W of St. Marks.
Habitat Hammock clearing.
Reproductive State Fruit
Collector R. K. Godfrey 57871
Collection Date 17 Oct 1958
Accession Number 8334
Image 8334.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L. - Determined By: B. F. Hansen, Jul 2007
Determination History
Xanthium chinense Mill.
Xanthium strumarium L. glabratum DC. Cronq. - Determined By: Wunderlin, 1976
Locality USA. Florida , Jackson Co. : Along Apalachicola River, W of Chattahoochee. 29° 43' 32" N 84° 58' 60" W
Habitat Floodplain forest clearing.
Reproductive State Fruit
Collector R. K. Godfrey 57841
Collection Date 17 Oct 1958
Accession Number 7697
Image 7697.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L. - Determined By: B. F. Hansen, Jul 2007
Determination History
Xanthium chinense Mill.
Xanthium strumarium L. glabratum DC. Cronq. - Determined By: Wunderlin, 1976
Locality USA. Florida , Hillsborough Co. : W of Plant City on FL 60.
Description Several tall plants. Fruiting heads glabrate.
Habitat Waste land with Digitaria and Physalis, border of drying marsh.
Reproductive State Fruit
Collector O. K. Lakela 23465
Collection Date 31 Oct 1960
Accession Number 20946
Image 20946.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L.
Locality USA. Florida , Holmes Co. : Along US 90, ca. 5 mi. W of Ponce de Leon; 2 mi. E of Walton County Line. T3N, R18W, Sec. 36, NW¼ of NW¼. 30° 37' 0" N 86° 10' 0" W
Habitat Roadside ditch.
Reproductive State Fertile
Collector B. F. Hansen 8926
Collection Date 28 Sep 1981
Accession Number 159218
Image 159218.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L.
Locality USA. Florida , Hillsborough Co. : Tampa, near West Cypress Street at the bay. Dry, shell road adjacent to old Sheldon homestead. 27° 58' 32" N 82° 26' 56" W
Description Common.
Habitat Shallow ditch.
Reproductive State Fertile
Collector R. Lassiter 2221
with J. Lassiter
Collection Date 7 Oct 1984
Accession Number 185958
Image 185958.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L.
Locality USA. Florida , Okaloosa Co. : Downtonw Crestview, along railroad at Wilson Street crossing. 30° 45' 44" N 86° 34' 14" W
Reproductive State Fruit
Collector G. Wilhelm 8034
Collection Date 24 Nov 1980
Accession Number 158017
Image 158017.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L.
Locality USA. Florida , Miami-Dade Co. : Southwest 107th Avenue, just N of Moody Drive.
Habitat Old potato field.
Reproductive State Fruit
Collector J. Popenoe 1552
Collection Date 31 Dec 1978
Accession Number 145854
Image 145854.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L.
Locality USA. Florida , Gilchrist Co. : N side of Fl 26 at junction of C-341, 3.5 mi. W of Trenton. T10S, R14E, Sec. 14, SE¼ of NE¼. 29° 36' 48" N 82° 49' 3" W
Description Weeds.
Habitat Between road and railroad.
Reproductive State Fruit
Collector B. F. Hansen 10800
with R.P. Wunderlin, C. vanHoek
Collection Date 25 Oct 1985
Accession Number 188540
Image 188540.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L. - Determined By: B. F. Hansen, Nov 2009
Determination History
Xanthium strumarium L. glabratum DC. ex Collad. Cronq. - Determined By: G. Wilder,
Locality USA. Florida , Calhoun Co. : Blountstow; 0.2 mi. N of Abe Springs Road on Myers Dairy Road. 30° 23' 32" N 85° 7' 47" W
Description Erect herb to 1.3 m; leaves scabrous; harbors ant colonies in burr axils.
Habitat Scrubby disturbed roadside.
Reproductive State Fertile
Collector T. MacClendon 979
with K. MacClendon, G. Wilder
Collection Date 09 Oct 2009
Accession Number 251761
Image 251761.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L.
Locality USA. Georgia , Houston Co. : 2.5 mi. S of Perry.
Habitat Floodplain of creek.
Reproductive State Flower
Collector R. L. Lane Jr.
Collection Date 13 Sep 1968
Accession Number 161738
Image 161738.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L.
Locality USA. Tennessee , Cocke Co. : US 411; 6 mi. NE of Newport.
Reproductive State Flower
Collector P. Genelle
with G. Fleming
Collection Date 05 Sep 1977
Accession Number 140674
Image 140674.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L.
Locality USA. Louisiana , Jackson Par. : Along LA 16 by bridge over Castor Creek; Chatham. 32° 30' 0" N 92° 30' 0" W
Description Infrequent.
Habitat Roadside, sandy.
Reproductive State Flower
Collector B. Erwin
Collection Date 24 Oct 1978
Accession Number 139653
Image 139653.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L. - Determined By: S. R. Hill, Sep 1989
Locality USA. South Carolina , Pickens Co. : 136 (=156) Cedar Creek Circle; Central.
Description Scarce garden weed 3.5. ft. tall; stem spotted purple.
Reproductive State Flower
Collector S. R. Hill
Collection Date 19 Sep 1989
Accession Number 203008
Image 203008.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L.
Locality USA. Tennessee , Knox Co. : US 441; 8 mi. S of Knoxville; 5 mi. N of Shooks Gap.
Habitat Roadside.
Reproductive State Flower
Collector R. P. Sauleda
with D.K. Sauleda
Collection Date 16 Sep 1980
Accession Number 176699
Image 176699.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L.
Locality USA. Alabama , Madison Co. : Blackwell Swamp off of Jolly B Road; Tupelo Canoe Landing; 1.6 mi. from Jolly B. Road.
Habitat Alluvial floodplain forest; associates: Bidens laevis, Nuphar luteum, Ludwigia leptocarpa, Carex joorii.
Reproductive State Flower
Collector K. Francl
with L. Kruse, M. Morgan, E. Totin, M. Waters
Collection Date 29 Sep 2001
Accession Number 281430
Image 281430.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L.
Locality USA. Alabama , Butler Co. : AL 16; 2/5 mi. E of Taft Skipper Road. 31° 36' 59" N 86° 40' 59" W
Habitat Sandy corn field.
Reproductive State Flower
Collector A. R. Diamond
Collection Date 20 Sep 2008
Accession Number 271202
Image 271202.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium L.
Locality USA. Louisiana , Ouachita Par. : S of Desiard Street (US 80) just E of junction Gilbert and Desiard Streets; Monroe.
Habitat Field.
Reproductive State Flower
Collector D. D. Taylor
Collection Date 29 Sep 1983
Accession Number 210448
Image 210448.jpg
Plant Atlas Link Plant Atlas Citation

Xanthium strumarium
Family Name Asteraceae
Currently Accepted Name Xanthium strumarium Hemsl. - Determined By: G. G. Robinson,
Locality Mexico. Oaxaca , San Baltazar Chichicapan Mun. : 16° 46' 24" N 96° 29' 36" W
Description Medicinal.
Reproductive State Flower
Collector G. Gomez
Collection Date 11 Aug 1991
Accession Number 205243
Image 205243.JPG
Plant Atlas Link Plant Atlas Citation