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Selected Herbarium Specimen Details (212) Download

Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Jefferson Co.: Along FL 59, Gamble Road, just S of I-10, Town of Lloyd. 30º 29’ 6” N 84º 1’ 22” W
Habitat:Along edges of fields by an abandoned gas station.
Reproductive State:Fertile
Collector:W. D. Longbottom 16498
  with D.H. Williams
Date:30 Sep 2011
Accession No:262985
Image:262985.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Wakulla Co.: Along Winter Street E of US 319, Sopchoppy Highway, Town of Sopchoppy. 30º 3’ 32” N 84º 29’ 23” W
Habitat:Open area along road.
Reproductive State:Fertile
Collector:W. D. Longbottom 16598
  with D.H. Williams
Date:01 Oct 2011
Accession No:262880
Image:262880.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: D. H. Williams
Locality:USA. Florida. Orange Co.: Near a detention pond along West Kennedy Boulevard, just E of its intersection with Forest City Road (FL 434). 28º 37’ 5” N 81º 24’ 45” W
Description:Occasional here. 
Habitat:Edge near pond; full sun.
Reproductive State:Fertile
Collector:D. H. Williams 2694
Date:02 Nov 2011
Accession No:262161
Image:262161.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Orange Co.: Just off West Road betwee Ocoee-Apopka Road and FL 429, Town of Ocoee; along the roadside. 28º 36’ 14” N 81º 32’ 50” W
Habitat:Open fields.
Reproductive State:Fertile
Collector:W. D. Longbottom 14406
  with D.H. Williams
Date:15 Nov 2010
Accession No:261665
Image:261665.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Seminole Co.: Along C-427 (Ronald Reagan Boulevard), between East Lake Mary Boulevard and FL 417. 28º 45’ 32” N 81º 16’ 2” W
Habitat:Open fields.
Reproductive State:Fertile
Collector:W. D. Longbottom 14430
  with D.H. Williams
Date:15 Nov 2010
Accession No:261379
Image:261379.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Maryland. Worcester Co.: Vacant lot allong W side of MD 528, Coastal Highway, between 25th Street and 26th Street, Town of Ocean City. 38º 2’ 17” N 75º 4’ 36” W
Habitat:Vacant lot.
Reproductive State:Fertile
Collector:W. D. Longbottom 14591
Date:01 Dec 2010
Accession No:261353
Image:261353.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Orange Co.: Criminal Justice Institute of Valencia Community College on Valencia College Lane. 28º 33’ 9” N 81º 16’ 6” W
Habitat:Edge of woods around the parking area.
Reproductive State:Fertile
Collector:W. D. Longbottom 14461
  with D.H. Williams
Date:16 Nov 2010
Accession No:261180
Image:261180.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: X. de Seguin des Hons
Locality:USA. Florida. Brevard Co.: South Lake Conservation Area, Mims. 0.25 mi. N of Dairy Road, by the entrance gate to the Conservation Area, along the W portion of Lancaster Lane. T21S, R34E, Sec. 25. 28º 39’ 54” N -80º -50’ -41” W
Habitat:Ruderal.
Reproductive State:Fertile
Collector:X. de Seguin des Hons s.n.
Date:05 May 2007
Accession No:260913
Image:260913.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Maryland. Caroline Co.: MD 331, Dover Bridge Road, just W of MD 578, Town of Bethlehem; roadside ditch. 38º 44’ 48” N 75º 56’ 51” W
Reproductive State:Fertile
Collector:W. D. Longbottom 14579
Date:24 Nov 2010
Accession No:260950
Image:260950.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Hendry Co.: Okaloacoochee Slough State Forest. 6.2 km E of FL 29, 0.6 km S of C-832. 26º 35’ 39” N 81º 22’ 30” W
Habitat:Edge of marshy, wet flatwoods.
Reproductive State:Fertile
Collector:A. R. Franck 2786
Date:03 Sep 2011
Accession No:259797
Image:259797.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Glades Co.: Fisheating Creek Wildlife Management Area. 0.25 km N of the junction of US 27 and FL 29, 0.1 km E of US 27. 26º 55’ 40” N 81º 18’ 46” W
Habitat:Path in mesic-xeric hammock.
Reproductive State:Fertile
Collector:A. R. Franck 2694
Date:28 Aug 2011
Accession No:259656
Image:259656.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Martin Co.: Jonathan Dickinson State Park. Pine Grove Campground.
Habitat:Disturbed sites.
Reproductive State:Fertile
Collector:R. O. Woodbury s.n.
  with R. Roberts
Date:Jul 1988
Accession No:257309
Image:257309.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Lafayette Co.: Along C-357, ca. 3 mi. S of FL 51 and Cooks Hammock. T7S, R11E, Sec. 7, NE¼.
Habitat:Recently clearcut area in wet pine flatwoods.
Reproductive State:Flower
Collector:B. F. Hansen 13421
  with J. Hansen
Date:18 Sep 2008
Accession No:255100
Image:255100.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Dixie Co.: Along C-358, ca. 0.2 mi. NW of its junction with US 19, ca. 2.5 mi. WNW of Cross City; roadside. T9S, R11E, Sec. 36, NW¼ of SE¼.
Habitat:Wet flatwoods.
Reproductive State:Flower
Collector:B. F. Hansen 13361
  with J. Hansen
Date:18 Sep 2008
Accession No:255016
Image:255016.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. DeSoto Co.: Deep Creek Preserve. 1.6 km E of C-769, 0.6 km S of SW Peace River Street. 27º 3’ 20” N 82º 45” W
Habitat:Mesic trail at property edge.
Reproductive State:Bud
Collector:A. R. Franck 2152
Date:27 May 2010
Accession No:254768
Image:254768.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Glades Co.: Fisheating Creek Wildlife Management Area. 1.3 km W of FL 78, 0.15 km S of Fisheating Creek, N side of Banana Grove Road; roadside ditch. 26º 57’ 4” N 81º 8’ 7” W
Habitat:Wet along floodplain marsh.
Reproductive State:Bud
Collector:A. R. Franck 2207
Date:04 Jun 2010
Accession No:254656
Image:254656.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Volusia Co.: Tomoka State Park. Helicopter Island, ca. 1.1 km due N of the Old Dixie Highway bridge at the Tomoka River. 29º 20’ 55” N 81º 5’ 5” W
Habitat:Large spoil island in brackish marsh.
Reproductive State:Fertile
Collector:J. M. Kunzer 1925
Date:5 Oct 2006
Accession No:253336
Image:253336.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Maryland. Frederick Co.: 2 mi. S of MD 76 on US 15, 2 mi. N of Thurmont.
Reproductive State:Fertile
Elevation:500 ft
Collector:R. P. Sauleda 4218
  with D.K. Sauleda
Date:08 Sep 1980
Accession No:162399
Image:162399.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:Mexico. Sinaloa. Mazatlan Campsite, within the city. 23º 13’ 58” N -106º -24’ -22” W
Habitat:In a grove of coconut palms [Cocos nucifera], weeds, and cultivated plants by beach; former beach sand, saline soils.
Reproductive State:Flower
Collector:D. B. Dunn 21840
  with Watkins, Wallace
Date:23 Jun 1975
Accession No:131087
Image:131087.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:Mexico. Veracruz. Rancheria of Juan Gutiérrez, ca. 6 mi. SE of Poza Rico. 29º 21’ 54” N -106º -49’ -43” W
Habitat:At gate of ranch building.
Reproductive State:Flower
Collector:G. G. Robinson s.n.
Date:02 Jul 1976
Accession No:131702
Image:131702.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: A. S. Pease, Mar 1959
Determination History: Ambrosia artemisiifolia L.
Locality:USA. Massachusetts. Middlesex Co.: Bedford. 42º 29’ 26” N -71º -16’ -34” W
Reproductive State:Flower, Fruit
Collector:M. Rodman s.n.
Date:1883
Accession No:6709
Image:6709.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. New York. Bronx Co.: Riverdale; roadside. 40º 54’ 2” N -73º -54’ -23” W
Reproductive State:Flower
Collector:L. Griscom 9365
Date:24 Aug 1919
Accession No:32292
Image:32292.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. New Jersey. Morris Co.: Mount Tabor. 40º 52’ 16” N -74º -28’ -47” W
Reproductive State:Flower
Collector:G. H. H. Tate 11301
Date:Aug 1924
Accession No:32299
Image:32299.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Iowa. Jasper Co.: Near Campfire Girls area, just off US 6 near the Poweshiek County line. 41º 40’ 59” N -92º -31’ -59” W
Habitat:Weedy field.
Reproductive State:Flower
Collector:N. H. Russell NR 965216
Date:06 Sep 1952
Accession No:11153
Image:11153.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. West Virginia. Upshur Co.: Near Jawbone Run at Madison Street, Buckhannon.
Habitat:Moist, rich creek-flat.
Reproductive State:Flower
Collector:G. B. Rossbach s.n.
Date:11 Oct 1952
Accession No:46991
Image:46991.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Virginia. Princess Anne Co.: Macons Corners.
Description:Dominant weed. 
Reproductive State:Flower
Collector:M. L. Fernald 2926
  with L. Griscom
Date:21 Sep 1933
Accession No:32293
Image:32293.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Illinois. Cass Co.: Beardstown, between 2 sets of Burlington Railroad tracks. T18N, R12W, Sec. 26, W½ of NW¼ of SE¼. 40º 1’ 10” N -90º -26’ -8” W
Description:Female form along railroad tracks, 0.5 m tall, atypical. 
Habitat:Sanguisorba - railroad prairie.
Reproductive State:Fruit
Collector:S. R. Hill 28671
Date:04 Sep 1996
Accession No:219790
Image:219790.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. New York. Bronx Co.: Lehmann College campus, Bronx. 40º 51’ 0” N -73º -52’ 0” W
Description:Weedy annual herb 1.3 m tall; stem single, semi-woody at base, 2.5 cm in diameter. 
Habitat:Flower bed weeds, with Solanum americanum, Polygonum sp., Amaranthus hybridus, A. lividus, Conyza canadensis, Convolvulus arvensis.
Reproductive State:Flower
Collector:M. Nee 35909
  with W. Buck, T. Starbuck
Date:29 Oct 1987
Accession No:199428
Image:199428.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Maryland. Frederick Co.: 2 mi. S of MD 76 on US 15, 2 mi. N of Thurmont.
Reproductive State:Fruit
Elevation:500 ft
Collector:R. P. Sauleda 4235
  with D.K. Sauleda
Date:08 Sep 1980
Accession No:161278
Image:161278.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Montana. Missoula Co.: Northern Pacific Railroad yards, across from the Missoula Cemetery, NW edge of Missoula. 46º 52’ 19” N -113º -59’ -38” W
Habitat:Dry, sandy clay-loam with cinders.
Reproductive State:Flower
Collector:E. E. Addor 987
Date:01 Oct 1957
Accession No:196558
Image:196558.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. New York. Albany Co.: Rensselaerville; roadside. 42º 30’ 54” N -74º -8’ -3” W
Reproductive State:Flower
Collector:G. R. Cooley 205
Date:30 Aug 1945
Accession No:11831
Image:11831.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Virginia. Westmoreland Co.: George Washinton's Birthplace National Park; along main road near the grave site.
Reproductive State:Flower
Collector:G. E. Lam 454
Date:17 Sep 1984
Accession No:215040
Image:215040.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. West Virginia. Jefferson Co.: Along US 340, 0.6 mi. W of the Maryland state line, 9.4 mi. E of Charles Town.
Reproductive State:Flower
Elevation:650 ft
Collector:R. P. Sauleda 4244
  with D.K. Sauleda
Date:08 Sep 1980
Accession No:162983
Image:162983.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Massachusetts. Middlesex Co.: Bedford. 42º 29’ 26” N -71º -16’ -34” W
Reproductive State:Flower, Fruit
Collector:C. W. Jenks s.n.
Date:1882
Accession No:33508
Image:33508.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1975
Locality:USA. Missouri. St. Louis Co.: Compson freightyard of the Terminal Railroad association; upper terrace on the N-S roadwiay.
Description:One small colony. 
Collector:V. Muehlenbach 3154
Date:06 Sep 1969
Accession No:118337
Image:118337.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Kentucky. Harrison Co.: US 27 at Townsend (Herskens) Creek on Harrison County side of creek; Blue Grass Province; low roadside ditch.
Reproductive State:Flower, Fruit
Collector:E. M. Browne 4819
  with E.T. Browne, Jr., E. Guhardja
Date:29 Sep 1961
Accession No:42949
Image:42949.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: W. I. Illman
Locality:Canada. Ontario Prov. Carleton University campus from Elba down towards Rideau River; along roadside. 50º 23’ 0” N -105º -30’ -2” W
Habitat:Wasteland.
Reproductive State:Flower
Collector:W. I. Illman s.n.
Date:11 Aug 1975
Accession No:133303
Image:133303.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:Canada. Ontario Prov. Winchester Springs. 49º 10’ 5” N -100º -30’ 0” W
Habitat:Borders of cut grassland.
Reproductive State:Flower, Fruit
Collector:P. Ferguson s.n.
Date:28 Sep 1974
Accession No:133315
Image:133315.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: H. E. Ahles
Locality:USA. North Carolina. Ashe Co.: Foot of Nigger Mountain, 1 mi. SW of West Jefferson; roadside.
Reproductive State:Flower, Fruit
Collector:A. E. Radford 41106
Date:28 Sep 1958
Accession No:14872
Image:14872.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Mississippi. Hancock Co.: Ca. 1 mi. S of Clairmont Harbor.
Habitat:Slight ridge with live oak [Quercus virginiana] grove cover near tidal marsh.
Reproductive State:Flower
Collector:J. D. Ray, Jr. 3235
Date:10 Aug 1952
Accession No:17414
Image:17414.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Louisiana. Lincoln Par.: E of Tara Avenue, Ruston. 32º 33’ N 92º 37’ W
Habitat:Open cutover area; sandy topsoil over clay.
Reproductive State:Flower
Collector:D. Hartsell 45
Date:26 Sep 1975
Accession No:122282
Image:122282.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Alabama. Clay Co.: Cheaha State Park; Cheaha Mountain ca. 7 mi. SSE of Oxford; Odum Trail and service road from radio towers. T18S, R8E, Sec. 9, N central.
Reproductive State:Flower
Collector:M. G. Bussey 396
Date:19 Sep 1982
Accession No:182378
Image:182378.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Tennessee. Cocke Co.: 2 mi. SW of Parrottsville.
Habitat:Disturbed site.
Reproductive State:Flower
Collector:P. Genelle 3059
  with G. Fleming
Date:11 Aug 1977
Accession No:134578
Image:134578.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: S. R. Hill, Nov 1993
Locality:USA. South Carolina. Pickens Co.: Table Rock State Park, Table Rock; Governor's Rock, trail to summit, N of SC 11.
Description:Occasional herb 1-2 ft. tall, many-branched. 
Habitat:In Selaginella colonies in full sun, gneissic granite.
Reproductive State:Fruit
Elevation:2800 to 3100 ft
Collector:S. R. Hill 25212
  with H. Douglass
Date:06 Oct 1993
Accession No:213163
Image:213163.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Determination History: Parthenium hysterophorus L.
Locality:USA. Louisiana. Vernon Par.: Kisatchie National Forest.
Habitat:In open field.
Collector:G. R. Cooley 4007b
  with L.J. Brass
Date:29 Apr 1955
Accession No:4378
Image:4378.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: S. R. Hill, Sep 1990
Locality:USA. South Carolina. Pickens Co.: 156 (= 136) Cedar Creek Circle, Central.
Description:Occasional garden weed 3 ft. tall. 
Reproductive State:Flower
Collector:S. R. Hill 21897
Date:02 Sep 1990
Accession No:201990
Image:201990.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Alabama. Baldwin Co.: Just E of Gulf Shores at the registration gate for the camping area at Gulf State Park.
Reproductive State:Flower
Collector:G. Wilhelm 9578
Date:03 Jul 1981
Accession No:161199
Image:161199.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Louisiana. Lincoln Par.: Woodlawn Park, Ruston. 32º 31’ N 92º 37’ W
Reproductive State:Flower
Collector:J. Glasscock 544
Date:18 Sep 1970
Accession No:114837
Image:114837.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Louisiana. Lincoln Par.: Siding of C.R.I.&P. Railroad, just S of the Louisianan Tech University campus. 32º 32’ N 92º 38’ W
Habitat:Hard, dry sand soil.
Reproductive State:Flower
Collector:L. W. Thomas 22
Date:13 Sep 1972
Accession No:130311
Image:130311.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Louisiana. Lincoln Par.: 0.5 mi. W of the intersection of P-305 and LA 507. 32º 28’ N 92º 49’ W
Habitat:Moderate disturbed, sandy.
Reproductive State:Flower
Collector:S. J. Hebert H-1
Date:09 Sep 1978
Accession No:139470
Image:139470.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Collier Co.: Delnor-Wiggins Pass State Park. Parking area #3. T48S, R25E, Sec. 20, NW¼ of NE¼ of SW¼. 28º 1’ 8” N -82º -7’ -3” W
Habitat:Ruderal.
Reproductive State:Fertile
Collector:A. Bishop DW0030
Date:05 Dec 2002
Accession No:251856
Image:251856.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Lee Co.: Lovers Key State Park. Black Island Trail. T47S, R24E, Sec. 11, E½ of NW¼.
Habitat:Marine tidal swamp.
Reproductive State:Fertile
Collector:A. Bishop LK0029
Date:19 Jun 2003
Accession No:251881
Image:251881.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Pasco Co.: Starkey Wilderness Park. 2.5 mi. NNW of Odessa. T26S, R17E, Sec. 4, NE¼ of SE¼. 28º 11’ 38” N -82º -35’ -30” W
Habitat:Mesic flatwoods.
Reproductive State:Bud
Collector:E. M. Ferguson 296
  with J.M. Kunzer
Date:19 Aug 2003
Accession No:250846
Image:250846.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Hillsborough Co.: Blackwater Creek Nature Preserve, Patrinostro Road off FL 39, Plant City; near NE gate entrance. 28º 8’ 49” N 82º 9’ 7” W
Habitat:Disturbed area.
Reproductive State:Fertile
Collector:K. S. Alvarado 111
Date:06 Aug 2020
Accession No:302281
Image:302281.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: C. vanHoek, 2020
Determination History: Ambrosia monophylla (Walter) Rydb.
Locality:USA. Florida. Polk Co.: Clark Pool, Lakeland. 28º 2’ 22” N -81º -56’ -59” W
Reproductive State:Fertile
Collector:C. F. Caudle 282
  with M.L. Gilbert, M.S. Tisdale
Date:06 Oct 1962
Accession No:301085
Image:301085.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: C. vanHoek, 2020
Determination History: Ambrosia monophylla (Walter) Rydb.
Locality:USA. Florida. Polk Co.: Panther Point.
Collector:C. F. Caudle 1199-A
  with M. L. Gilbert, M. S. Tisdale
Date:27 Jul 1962
Accession No:301086
Image:301086.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: C. vanHoek, 2020
Determination History: Ambrosia monophylla (Walter) Rydb.
Locality:USA. Florida. Polk Co.: Kissengen Springs, Bartow. 27º 53’ 47” N -81º -50’ -35” W
Collector:C. F. Caudle 1690
  with M.L. Gilbert, M.S. Tisdale
Date:30 May 1963
Accession No:301087
Image:301087.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: C. vanHoek, 2020
Determination History: Ambrosia monophylla (Walter) Rydb.
Locality:USA. Florida. Polk Co.: Kissengen Springs, Bartow. 27º 53’ 47” N -81º -50’ -35” W
Collector:C. F. Caudle 1565
  with M.L. Gilbert, M.S. Tisdale
Date:30 May 1963
Accession No:301088
Image:301088.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: C. vanHoek, 2020
Determination History: Ambrosia monophylla (Walter) Rydb.
Locality:USA. Florida. Hillsborough Co.: Alafia River, FL 39. 27º 51’ 0” N -82º -7’ -59” W
Collector:C. F. Caudle 2365
  with M.L. Gilbert, M.S. Tisdale
Date:11 Jun 1963
Accession No:301089
Image:301089.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Georgia. McIntosh Co.: Abandoned commercial property adjacent to parking lot for gas station, GA 57 at its junction with I-95, Town of Townsend. 31º 32’ 2” N 81º 26’ 50” W
Reproductive State:Fertile
Collector:W. D. Longbottom 24138
Date:10 Nov 2015
Accession No:300669
Image:300669.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Brevard Co.: Floridana Beach. 28º 0’ 0” N -82º 0’ 0” W
Reproductive State:Fertile
Collector:C. F. Caudle 6076
  with M.L. Gilbert, M.S. Tisdale
Date:26 Jun 1964
Accession No:300406
Image:300406.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Hillsborough Co.: Balm Boyette Scrub Preserve, Lithia. 27º 47’ 2” N 82º 14’ 17” W
Habitat:Open field.
Reproductive State:Fertile
Collector:S. Dickman 602
Date:26 Oct 2012
Accession No:300379
Image:300379.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: C. vanHoek, 2018
Determination History: Ambrosia monophylla (Walter) Rydb.
Locality:USA. Florida. Lee Co.: Mound Key.
Reproductive State:Fertile
Collector:C. F. Caudle 3947
  with M.L. Gilbert, M.S. Tisdale
Date:20 Jul 1963
Accession No:299894
Image:299894.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Polk Co.: Crooked Lake Sandhill. 27º 48’ 50” N 81º 32’ 51” W
Habitat:Ruderal area.
Reproductive State:Fertile
Collector:J. R. Campbell 624
Date:11 Sep 2016
Accession No:295433
Image:295433.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Polk Co.: Hickory Lake Scrub, Polk County Environmental Lands. 27º 41’ 33” N 81º 32’ 42” W
Habitat:Ruderal habitat adjacent to road.
Reproductive State:Fertile
Collector:J. R. Campbell 364
Date:23 Aug 2016
Accession No:290492
Image:290492.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Nassau Co.: FL 200/A1A (Buccaneer Trail; South 8th Street), W end of Creekside Drive at the Amelia River, Fernandina Beach, Amelia Island. 30º 37’ 49” N 81º 28’ 46” W
Habitat:Hedgerow.
Reproductive State:Fertile
Collector:W. D. Longbottom 24806
Date:16 May 2016
Accession No:287994
Image:287994.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Hamilton Co.: US 129 at SE 113th Boulevard, Town of Jasper. 30º 26’ 16” N 82º 55’ 58” W
Habitat:Open fields.
Reproductive State:Fertile
Collector:W. D. Longbottom 23986
  with D.H. Williams
Date:07 Nov 2015
Accession No:285334
Image:285334.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Hillsborough Co.: University of South Florida Ecological Research Area. Ca. 0.2 km WNW of the junction of Fletcher Avenue (C-582A) and 56th Street (Fl 583); E of W gate; burn plot 1W. 28º 4’ 11” N 82º 23’ 42” W
Description:Erect herb ca. 90 cm tall. 
Habitat:Sandhill.
Reproductive State:Fertile
Collector:A. C. Schmidt 10
  with D. Peterson
Date:23 Aug 2001
Accession No:279677
Image:279677.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Brevard Co.: Kennedy Space Center. Canaveral National Seashore; Merritt Island National Wildlife Refuge; ca. 2.5 km S of Haulover Canal, E of FL 3. 28º 28’ 15” N -80º -32’ -14” W
Habitat:Former citrus grove cleared for restoration.
Reproductive State:Fertile
Collector:P. A. Schmalzer 14-14
  with R.E. Foster
Date:03 Sep 2014
Accession No:279245
Image:279245.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Bradford Co.: US 301 and Scafer Street, Starke. 29º 57’ 45” N 82º 6’ 13” W
Habitat:Vacant weedy lot.
Reproductive State:Fertile
Collector:S. Myers 1484
  with G. Tinsley
Date:18 Oct 2014
Accession No:278718
Image:278718.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Indian River Co.: Next to Mobil gas station, E of 90th Avenue, FL 60 W of Vero Beach. 27º 38’ 23” N 80º 30’ 41” W
Habitat:Weedy vacant lot.
Reproductive State:Fertile
Collector:S. Myers 1322
Date:17 Jun 2014
Accession No:277309
Image:277309.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. St. Lucie Co.: Adjacent to entrance of Indrio Savannahs Natural Area, W of US 1 off Tozour Road, Indrio. 27º 31’ 46” N 80º 21’ 43” W
Habitat:Weedy, ruderal area.
Reproductive State:Fertile
Collector:S. Myers 1317
Date:14 Jun 2014
Accession No:277293
Image:277293.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Hardee Co.: Paynes Creek Historic State Park. Ca. 2 km SE of Bowling Green. 27º 37’ N 81º 48’ 42” W
Habitat:Along disturbed wet trail; hydric hammock.
Reproductive State:Fertile
Collector:P. J. Simoes 47
  with A.R. Franck
Date:04 Oct 2014
Accession No:277095
Image:277095.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Seminole Co.: N corner of Ronald Reagan Boulevard and Country Home Road, Sanford. 28º 44’ 24” N 81º 17’ 48” W
Habitat:Weedy waste area at edge of road.
Reproductive State:Fertile
Collector:D. H. Williams 3971
Date:28 Aug 2014
Accession No:276094
Image:276094.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. K. Holst, 2010
Locality:USA. Florida. Sarasota Co.: Deer Prairie Creek Preserve. Jorcyn Parcel; N parcel limit 4.5 mi. E of the intersection of South Moon Drive and Border Road, I-75 borders to the S. 27º 7’ 19” N 82º 15’ 28” W
Description:Rosette-forming herb, few seen; corolla lilac at apex; trichomes whitish. 
Habitat:Pasture.
Reproductive State:Fertile
Elevation:5 to 7 m
Collector:L. B. Birch 590
  with B.K. Holst
Date:16 Sep 2010
Accession No:275246
Image:275246.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Marion Co.: SE 104th Terrace, off US 441, Summerfield. 28º 58’ 30” N 81º 58’ 47” W
Habitat:Small wooded lot.
Reproductive State:Fertile
Collector:S. Myers 1234
Date:07 Dec 2013
Accession No:273437
Image:273437.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Georgia. Decatur Co.: In front of abandoned house along GA 97 (Faceville Highway), N of GA 302 (Cool Springs Road); Town of Faceville; roadside ditch. 30º 46’ 7” N 84º 37’ 27” W
Reproductive State:Fertile
Collector:W. D. Longbottom 16507
  with D.H. Williams
Date:30 Sep 2011
Accession No:272326
Image:272326.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Orange Co.: Tosohatchee Wildlife Management Area. Ca. 25 mi. E of Orlando; Powerline Road. 28º 27’ 12” N 80º 56’ 2” W
Habitat:Open, disturbed field.
Reproductive State:Fertile
Collector:J. Cheak 58
  with S. Myers, L. Bomen, H. Kalaman
Date:24 Aug 2012
Accession No:270230
Image:270230.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. St. Lucie Co.: Right-of-way just E of Florida Turnpike, between commercial property and the entrance to the Turnpike, at the intersection of FL 70 (Okeechobee Road) and FL 91 (Florida Turnpike), Fort Pierce. 27º 24’ 38” N 80º 23’ 53” W
Habitat:Unmaintained area beside unpaved road.
Reproductive State:Fertile
Collector:D. H. Williams 3688
  with H.L. Williams
Date:04 Jul 2013
Accession No:269797
Image:269797.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Georgia. Liberty Co.: Roadside pull-off on W side of US 87/GA 25 (Ocean Highway) N of Town of Midway. 31º 48’ 48” N 81º 25’ 49” W
Reproductive State:Fertile
Collector:W. D. Longbottom 16213
Date:26 Sep 2011
Accession No:267549
Image:267549.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Delaware. Sussex Co.: Deer Forest Road (Road 565) and Gravelly Branch; roadside edge. 38º 44’ 13” N 75º 28’ 55” W
Reproductive State:Fertile
Collector:W. D. Longbottom 14237
Date:30 Aug 2010
Accession No:267238
Image:267238.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Maryland. Anne Arundel Co.: Beachwood Park; Beachwood Park Road and Magothy Bridge Road (MD 607), at the Magothy River, Pasadena; roadside. 39º 6’ 34” N 76º 31’ 56” W
Reproductive State:Fertile
Collector:W. D. Longbottom 14231
Date:29 Aug 2010
Accession No:267237
Image:267237.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Maryland. Anne Arundel Co.: Old South River Road at MD 2 (Solomon's Island Road), Town of Edgewater; roadside ditch. 38º 47’ 15” N 76º 33’ 12” W
Reproductive State:Fertile
Collector:W. D. Longbottom 14251
Date:01 Sep 2010
Accession No:267239
Image:267239.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Maryland. Caroline Co.: Railroad tracks along Railroad Avenue between Maple Avenue and Back Landing Road, Town of Preston. 38º 42’ 28” N 75º 54’ 30” W
Reproductive State:Fertile
Collector:W. D. Longbottom 14169
Date:17 Aug 2010
Accession No:266869
Image:266869.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Virginia. Spotsylvania Co.: Near exit 118 of I-95, Dan Bell Lane, N of C-606 (Mudd Tavern Road), Town of Thornburg. 38º 8’ 6” N 77º 30’ 47” W
Habitat:Around sediment control pond.
Reproductive State:Fertile
Collector:W. D. Longbottom 16153
Date:25 Sep 2011
Accession No:266536
Image:266536.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Delaware. Sussex Co.: Along DE 54 (Lighthous Road; Road 58), at Madison Avenue, Town of Fenwick Island. 38º 27’ 11” N 75º 3’ 53” W
Habitat:Along guard rail at the edge of the water.
Reproductive State:Fertile
Collector:W. D. Longbottom 14285
Date:10 Sep 2010
Accession No:266515
Image:266515.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Delaware. Sussex Co.: Along State Forest Road (Road 579) between Deer Forest Road (Road 565) and Redden Road (Road 40); roadside ditch. 38º 44’ 11” N 75º 27’ 39” W
Reproductive State:Fertile
Collector:W. D. Longbottom 14206
Date:27 Aug 2010
Accession No:266516
Image:266516.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Maryland. Caroline Co.: Along the railroad tracks at the edge of a parking lot, W end of Railroad Avenue, Town of Preston. 38º 49’ 40” N 75º 54’ 45” W
Reproductive State:Fertile
Collector:W. D. Longbottom 14371
Date:12 Oct 2010
Accession No:266171
Image:266171.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Maryland. Talbot Co.: Sediment control pond on the SE corner of the intersection of US 50 (Ocean Gateway) and Dutchman's Lane, behind gas station/convenience store, Town of Easton. 38º 45’ 30” N 76º 3’ 38” W
Reproductive State:Fertile
Collector:W. D. Longbottom 15920
Date:22 Aug 2011
Accession No:266190
Image:266190.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Maryland. Anne Arundel Co.: Along MD 100 (Paul T. Pitcher Memorial Highway) at MD 607 (Magothy Bridge Road), Town of Pasadena; roadside. 39º 7’ 6” N 76º 31’ 23” W
Reproductive State:Fertile
Collector:W. D. Longbottom 14369
Date:07 Oct 2010
Accession No:265986
Image:265986.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Maryland. Anne Arundel Co.: I-97 at Hawkins Road, Town of Annapolis; roadside. 39º 1’ 55” N 76º 30’ 22” W
Reproductive State:Fertile
Collector:W. D. Longbottom 18101
Date:25 Aug 2012
Accession No:265681
Image:265681.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Pennsylvania. Lancaster Co.: Between Dead End Road (state game land #156) and Kettle Run, Penn Township. 40º 14’ 3” N 76º 20’ 58” W
Habitat:Clearing along gravel road.
Reproductive State:Fertile
Collector:W. D. Longbottom 17845
  with G. Van Velsir
Date:29 Jul 2012
Accession No:265511
Image:265511.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Pennsylvania. Cumberland Co.: Baltimore Road Shippensburg Road near Burd Run, Michaux State Forest, Southampton Township. 30º 37” N 77º 27’ 43” W
Habitat:Along the wayside.
Reproductive State:Fertile
Collector:W. D. Longbottom 18012
  with A.M. Plant, G. Van Velsir, A. Pengelly
Date:12 Aug 2012
Accession No:265515
Image:265515.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Pennsylvania. Franklin Co.: Stillhouse Hollow Road at powerline right-of-way, Michaux State Forest, Greene Township. 39º 57’ 2” N 77º 28’ 32” W
Habitat:Open area under powerline.
Reproductive State:Fertile
Collector:W. D. Longbottom 18019
  with A.M. Plant, G. Van Velsir, A. Pengelly
Date:12 Aug 2012
Accession No:265518
Image:265518.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Delaware. Sussex Co.: Along the wayside N of DE 404 (Seashore Highway) at Marshyhope Creek. 38º 47’ 42” N 75º 41’ 32” W
Reproductive State:Fertile
Collector:W. D. Longbottom 16076
Date:15 Sep 2011
Accession No:265499
Image:265499.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Union Co.: Intersection of FL 121 and FL 16, Raiford; roadside. 30º 4’ 14” N 82º 13’ 28” W
Collector:S. Myers 671
Date:01 Sep 2012
Accession No:265464
Image:265464.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Madison Co.: Outskirts of Madison, FL 53. 30º 23’ 55” N 83º 21’ 37” W
Habitat:Waste area.
Reproductive State:Fertile
Collector:S. Myers 718
Date:30 Sep 2012
Accession No:265492
Image:265492.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Seminole Co.: Slavia Road, ca. 300 m from its intersection with Red Bug Lake Road; at roadside. 28º 38’ 53” N 81º 14’ 28” W
Habitat:Weedy turf.
Reproductive State:Fertile
Collector:D. H. Williams 3059
Date:05 Apr 2012
Accession No:265207
Image:265207.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Alachua Co.: NW 60th Street, Gainesville; roadside. 29º 39’ 37” N 82º 24’ 23” W
Collector:S. Myers 623
Date:19 Jul 2012
Accession No:264580
Image:264580.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Nassau Co.: FL 200, downtown Yulee. 30º 37’ 54” N 81º 36’ 9” W
Habitat:Vacant lot.
Reproductive State:Fertile
Collector:S. Myers 597
Date:13 Jul 2012
Accession No:264591
Image:264591.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Ohio. Meigs Co.: Branch of Forked Run Lake, along Curtis Hollow Road; Olive Township, town of Long Bottom. 39º 6’ 15” N 81º 47’ 26” W
Habitat:Along lake edge.
Reproductive State:Fertile
Collector:W. D. Longbottom 15835
  with G. Van Velsir
Date:15 Aug 2011
Accession No:264454
Image:264454.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Maryland. Allegany Co.: At the upper end of Fort Hill Ridge Road, between US 220 and the Potomac River, Fort Hill. 39º 30’ 55” N 78º 54’ 36” W
Habitat:Clearing in a deciduous hardwoods forest.
Reproductive State:Fruit
Collector:W. D. Longbottom 15754
  with G. Van Velsir
Date:14 Aug 2011
Accession No:264455
Image:264455.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. West Virginia. Taylor Co.: Pruntytown Wildlife Management Area; along US 51, E of US 250, Town of Pruntytown; along roadside. 39º 19’ 49” N 80º 5’ 33” W
Habitat:In fields.
Reproductive State:Fertile
Collector:W. D. Longbottom 15790
  with G. Van Velsir
Date:14 Aug 2011
Accession No:264421
Image:264421.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Columbia Co.: US 441 and Tommy Lites Street, Mikesville. 29º 58’ 13” N 82º 36’ 6” W
Habitat:Open field.
Reproductive State:Fertile
Collector:W. D. Longbottom 16448
  with D.H. Williams
Date:30 Sep 2011
Accession No:263702
Image:263702.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. St. Johns Co.: E side of US 1/FL 5 (Dixie Highway), at Smith Grade Road. 29º 42’ 21” N 81º 17’ 57” W
Habitat:Along the edges of a gravel road.
Reproductive State:Fertile
Collector:W. D. Longbottom 16378
  with D.H. Williams
Date:29 Sep 2011
Accession No:263497
Image:263497.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Clay Co.: Along C-209, just N of creek, West Tocoi; along roadside. 29º 50’ 25” N 81º 37’ 6” W
Habitat:Edge of woods.
Reproductive State:Fertile
Collector:W. D. Longbottom 16441
  with D.H. Williams
Date:29 Sep 2011
Accession No:263018
Image:263018.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: G. Fleming, 1979
Locality:USA. Florida. Pinellas Co.: Honeymoon Island Recreation Area. W entrance from Dunedin Beach to central road. T28S, R15E, Sec. 8. 28º 1’ 11” N -82º -46’ -18” W
Habitat:Old field and boundary embankment with brackish ditch; marl.
Reproductive State:Flower
Collector:G. Fleming 3250
  with P. Genelle
Date:06 Oct 1979
Accession No:149486
Image:149486.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: O. K. Lakela, 1963
Locality:USA. Florida. Hendry Co.: Clewiston area. 26º 45’ 15” N -80º -56’ -1” W
Habitat:Throughout ditches and glades in sugar plantation area.
Reproductive State:Flower
Collector:O. K. Lakela 25762
Date:31 Mar 1963
Accession No:55575
Image:55575.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1981
Locality:USA. Florida. Orange Co.: Along FL 15 at Buck Lake; ca. 9 mi. N of Narcoosee. T24S, R31E, Sec. 8, SW¼ of SW¼.
Description:Roadside weed. 
Reproductive State:Bud
Collector:B. F. Hansen 8677
  with D. Lindsey
Date:25 Aug 1981
Accession No:157402
Image:157402.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1981
Locality:USA. Florida. Broward Co.: Along Lox Road, 0.9 mi. W of its junction with US 441; ca. 7 mi. W of Deerfield Beach; roadside. T47S, R41E, Sec. 36, NW¼ of NW¼. 26º 19’ 0” N -80º -6’ 0” W
Reproductive State:Flower
Collector:B. F. Hansen 8417
  with G.L. Robinson, R. Sauleda
Date:02 Jul 1981
Accession No:156670
Image:156670.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: G. Robinson, 1980
Locality:USA. Florida. Volusia Co.: [Daytona Beach] 1.4 mi. S on Peninsula Drive from intersection with Broadway Street [Broadway Avenue, now International Speedway Boulevard]. 27º 57’ 51” N -82º -23’ -14” W
Habitat:In sand pine [Pinus clausa] grove.
Reproductive State:Flower
Collector:G. Robinson 72
Date:30 Dec 1980
Accession No:157001
Image:157001.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1981
Locality:USA. Florida. Osceola Co.: Just N of C-532, 1 mi. E of its junction with C-545; 4 mi. W of Intercession City. T25S, R27E, Sec. 36, SW¼.
Habitat:Pine flatwoods.
Reproductive State:Flower
Collector:B. F. Hansen 8514
  with G.L. Robinson
Date:14 Aug 1981
Accession No:157060
Image:157060.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. F. Daubenmire, 1989
Locality:USA. Florida. Lake Co.: Eustis. Trout Lake Nature Center. 28º 51’ 9” N -81º -41’ -7” W
Reproductive State:Flower
Collector:R. F. Daubenmire s.n.
  with J. Daubenmire
Date:19 Nov 1989
Accession No:202084
Image:202084.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: S. Cole, 1994
Locality:USA. Florida. Sarasota Co.: Oscar Scherer State Park. Burn zone 1e E, in ruderal area along Park Drive. T38S, R18E, Sec. 14, NE¼ of NE¼ of SE¼ of NE¼ of SW¼.
Description:Erect composite to 75 cm height; flower heads yellowish-green, in spicate racemes; fruit [an] epappose achene. Common
Habitat:Mesic flatwoods.
Reproductive State:Flower
Collector:S. Cole OS0291
Date:24 Oct 1994
Accession No:214110
Image:214110.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. W. Long, 1966
Locality:USA. Florida. Collier Co.: Ca. 4 mi. S of Monroe Station on "loop road", Gator Hook Slough [Gator Hook Strand]. 25º 19’ 59” N -81º 0’ 0” W
Habitat:Cypress [Taxodium] swamp - pond apple [Annona glabra] area and bordering gladeland.
Reproductive State:Bud
Collector:R. W. Long 1711
  with R. Broome, K. Whitney, J. De Boer
Date:05 Jun 1966
Accession No:74926
Image:74926.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Hillsborough Co.: Hillsborough River State Park. Burn zone HR-9 W; along nature trail near rapids on S side of river. T27S, R21E, Sec. 8, SW¼ of SW¼ of NE¼. 27º 55’ 0” N -82º -21’ 0” W
Description:Erect composite to 1 m height; flower heads greenish, pendent; in terminal racemes; fruit [an] epappose achene. Common
Habitat:Upland mixed forest.
Reproductive State:Flower
Collector:K. Graham HR0047
Date:24 Jun 1994
Accession No:214123
Image:214123.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1976
Determination History: Ambrosia elatior L. - Determined By: W. G. D'Arcy, 1966
Locality:USA. Florida. Putnam Co.: 1 mi. W of FL 15, 2 mi. N of Satsuma. 29º 33’ 0” N -81º -39’ 0” W
Description:Scattered plants. 
Habitat:On abandoned cultivation.
Reproductive State:Flower
Collector:W. G. D'Arcy 1254
Date:15 Oct 1966
Accession No:80443
Image:80443.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: P. Genelle, 1970
Locality:USA. Florida. Pasco Co.: New Port Richey. S Boulevard Avenue, parking strip. 28º 13’ 59” N -82º -16’ -59” W
Reproductive State:Flower
Collector:P. Genelle 66
  with G. Fleming
Date:02 Feb 1970
Accession No:89195
Image:89195.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1988
Locality:USA. Florida. Osceola Co.: Along E side of Pleasant Hill Road (C-531), 1.2 mi. N ofits junction with Poinciana Boulevard, ca. 9 mi. S of Kissimmee. T27S, R29E, Sec. 5, NW¼ of NW¼. 28º 17’ 27” N -81º -24’ -25” W
Habitat:Weedy yard.
Reproductive State:Flower
Collector:B. F. Hansen 11769
  with R.P. Wunderlin, K. DeLaney
Date:16 Jun 1988
Accession No:197001
Image:197001.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: G. Fleming, 1987
Locality:USA. Florida. Pinellas Co.: Safety Harbor. Magnolia Creek, E of fire station. 30º 0’ 0” N -81º -40’ -59” W
Habitat:Pinelands.
Reproductive State:Flower, Fruit
Collector:G. Fleming 3797
Date:07 Nov 1987
Accession No:194098
Image:194098.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: M. A. Vincent, 1989
Locality:USA. Florida. Broward Co.: Ft. Lauderdale. In weedy lot E of Airport Holiday Inn, junction of I-95 and FL 84. 28º 11’ 16” N -82º -44’ -22” W
Reproductive State:Flower
Collector:M. A. Vincent 4167
Date:09 Jun 1989
Accession No:199884
Image:199884.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1976
Determination History: Ambrosia elatior L. - Determined By: P. M. Cassen, 1967
Locality:USA. Florida. Palm Beach Co.: West Palm Beach. Environs of Dreher Park. 27º 56’ 21” N -82º -23’ -52” W
Habitat:Disturbed ground, sand, full sun.
Reproductive State:Flower
Collector:P. M. Cassen 191
Date:31 Aug 1967
Accession No:81253
Image:81253.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1979
Locality:USA. Florida. Lee Co.: Sanibel Island. J.N. "Ding" Darling National Wildlife Refuge; intersection of Sanibel-Captiva Road and Tahiti Drive, 1.1 mi. SE of W edge of Refuge property; 3.1 mi. SE of Wulfert (Blind Pass); roadside. T46S, R22E, Sec. 19, NE¼. 26º 31’ 19” N -82º -11’ -21” W
Habitat:Weeds.
Reproductive State:Flower
Collector:B. F. Hansen 4974
  with A. Arcuri, D. Richardson
Date:12 Jan 1979
Accession No:139025
Image:139025.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Hillsborough Co.: Off FL 581 ca. 5 mi. N of Tampa. 27º 56’ 51” N -82º -27’ -30” W
Habitat:At edge of cypress [Taxodium] swamp.
Reproductive State:Flower
Collector:J. Kuczynski 24
Date:06 Oct 1977
Accession No:135756
Image:135756.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1979
Locality:USA. Florida. Lee Co.: Sanibel Island. J.N. "Ding" Darling National Wildlife Refuge; 3.5 mi. into Refuge on access road, along small road under powerlines; ca. 2 mi. ESE of Wulfert (Blind Pass); roadside. T46S, R22E, Sec. 7, SW¼. 26º 26’ 56” N -82º -1’ -20” W
Habitat:Weedy, shrubby.
Reproductive State:Bud
Collector:B. F. Hansen 5165
  with R.P. Wunderlin, A. Arcuri
Date:16 Mar 1979
Accession No:138810
Image:138810.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Hillsborough Co.: Along FL 581 ca. 5 mi. N of Tampa; roadside. 27º 56’ 51” N -82º -27’ -30” W
Description:Whitish flowers. 
Habitat:Depression; at edge of flatwoods
Reproductive State:Flower
Collector:C. S. Lewis 46
Date:06 Oct 1977
Accession No:135297
Image:135297.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Hillsborough Co.: 6 mi. N of Fletcher [Avenue] on FL 581; roadside ditch. 29º 43’ 59” N -82º -58’ -59” W
Description:Flowers small and greenish. 
Reproductive State:Flower
Collector:G. Winkler 131
Date:27 Oct 1977
Accession No:242102
Image:242102.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1976
Locality:USA. Florida. Escambia Co.: Pensacola. 0.25 mi. W of Pace Avenue bridge across Bayou Chico. 30º 24’ 33” N -87º -12’ -51” W
Habitat:Weedy, sandy vacant lot, with Paspalum urvillei, P. notatum, Eragrostis oxylepis [E. secundiflora ssp. oxylepis], Eleusine indica, Digitaria sanguinalis [D. ciliaris], Cyperus surinamensis, Ambrosia artemisiifolia, Strophostyles helvola, Solanum americanum, S. sisymbriifolium, Daubentonia drummondii [Sesbania drummondii], Sesbania exaltata, etc.
Reproductive State:Flower
Collector:B. F. Hansen 3907
Date:11 Aug 1976
Accession No:132359
Image:132359.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 2005
Locality:USA. Florida. Franklin Co.: St. James Bay Golf Course, just N of US 98, ca. 6 mi. E of Carrabelle. 29º 51’ 8” N -84º -40’ -27” W
Description:Coastal scrub and mixed forest. 
Collector:B. F. Hansen 13059
Date:10 Oct 2005
Accession No:241810
Image:241810.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 2005
Locality:USA. Florida. Sumter Co.: Withlacoochee State Forest. Ca. 1.5 mi. N of Croom. T22S, R21E, Sec. 5, NE¼. 28º 34’ 59” N -82º -13’ 0” W
Habitat:Sandhill.
Reproductive State:Flower
Collector:B. F. Hansen 13082
Date:09 Nov 2005
Accession No:241847
Image:241847.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: E. M. Ferguson, 2003
Locality:USA. Florida. Pasco Co.: Starkey Wilderness Park. 2.5 mi. NNW of Odessa. T26S, R17E, Sec. 4, NW¼ of SE¼. 28º 11’ 38” N -82º -35’ -30” W
Habitat:Mesic flatwoods.
Reproductive State:Flower
Collector:E. M. Ferguson 318
Date:26 Aug 2003
Accession No:240447
Image:240447.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: M. Owen, 2002
Locality:USA. Florida. Collier Co.: Fakahatchee Strand Preserve State Park. 1.3 mi. N of Copeland Fire Tower, culvert station #4; roadside. T52S, R29E, Sec. 1, SE¼. 25º 52’ 6” N -81º -29’ -21” W
Description:1 - 4.2 ft. tall. Ca. 75 plants.
Habitat:Strand swamp.
Reproductive State:Bud, Flower
Collector:M. Owen FS0201
Date:30 Aug 2002
Accession No:240890
Image:240890.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: D. W. Crewz, 1977
Locality:USA. Florida. Dixie Co.: 0.9 mi. N of Shamrock city limit on US 19; roadside. 29º 37’ 59” N -83º -7’ -59” W
Reproductive State:Flower
Collector:D. W. Crewz 1167
Date:12 Sep 1977
Accession No:128319
Image:128319.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: O. K. Lakela, 1963
Locality:USA. Florida. Citrus Co.: Pineola. Fern grottoes E of Floral City. 28º 40’ 59” N -82º -16’ 0” W
Habitat:Weedy margins of grotto terrace.
Reproductive State:Flower
Collector:O. K. Lakela 26419
Date:17 Sep 1963
Accession No:55822
Image:55822.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: P. Genelle, 1971
Locality:USA. Florida. Hernando Co.: Weeki Wachee.
Habitat:Lake edge.
Reproductive State:Flower
Collector:P. Genelle 937
  with G. Fleming
Date:02 Aug 1971
Accession No:97405
Image:97405.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: L. A. Lathrop, 2003
Locality:USA. Florida. Brevard Co.: Fox Lake Farms. 28º 34’ 59” 80º 51’ 24” W
Habitat:Disturbed wet scrub; soil sandy.
Reproductive State:Flower
Collector:L. A. Lathrop 119
Date:07 Jul 2003
Accession No:236548
Image:236548.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: O. E. Jennings, 1927
Locality:USA. Florida. Polk Co.: 2 mi. S of Fort Meade.
Habitat:Pond.
Reproductive State:Flower
Collector:O. E. Jennings s.n.
  with G.K. Jennings
Date:24 Dec 1927
Accession No:71723
Image:71723.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: Robert Kral, 1958
Locality:USA. Florida. Lake Co.: 3 mi. SW of Astor Park. 29º 9’ 44” N -81º -31’ -31” W
Habitat:On sands of roadbank.
Reproductive State:Flower
Collector:R. Kral 7657
Date:05 Aug 1958
Accession No:4084
Image:4084.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: T. MacClendon, 2002
Locality:USA. Florida. Brevard Co.: Wickham Park. Melbourne; Sand Track W of horse barn. 28º 9’ 54” N 80º 42’ 6” W
Description:Erect suffrutescent to 1.1 m, with yellow-green flowers. Abundant
Habitat:Scrubby pine flatwoods; soil sandy.
Reproductive State:Flower
Collector:T. MacClendon 95
  with K.R. Weichman
Date:08 Sep 2002
Accession No:235732
Image:235732.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1993
Locality:USA. Florida. Pinellas Co.: Brooker Creek Preserve. Ca. 3.5 mi. NNE of Oldsmar along powerline right-of-way. T27S, R16E, Sec. 36, SE¼. 28º 2’ 3” N -82º -39’ -54” W
Habitat:Weedy area under powerline.
Reproductive State:Flower
Collector:B. F. Hansen 12387
  with R.P. Wunderlin, P. Dooris
Date:20 Aug 1993
Accession No:208335
Image:208335.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1976
Determination History: Ambrosia elatior L. - Determined By: O. K. Lakela, 1966
Locality:USA. Florida. Lee Co.: Sanibel Causeway Bridge approach to Fort Myers. 26º 26’ 56” N -82º -1’ -20” W
Habitat:Filled with shell.
Reproductive State:Flower, Fruit
Collector:O. K. Lakela 30396
Date:04 Dec 1966
Accession No:78813
Image:78813.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Pinellas Co.: St. Petersburg. Sawgrass Lake. 30º 11’ 33” N -81º -22’ -14” W
Habitat:Old field road.
Reproductive State:Flower
Collector:E. Stere s.n.
Date:03 Oct 1978
Accession No:139593
Image:139593.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1976
Determination History: Ambrosia elatior L. - Determined By: O. K. Lakela, 1966
Locality:USA. Florida. Collier Co.: Caxambas Pass. Marco Island, in the vicinity of the observation tower. 25º 54’ 39” N -81º -41’ -52” W
Habitat:Thick vegetation on shell ridge substrate; exotics included.
Collector:O. K. Lakela 30100
  with F. Almeda
Date:26 Jul 1966
Accession No:75780
Image:75780.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: G. Fleming, 1983
Locality:USA. Florida. Pinellas Co.: Clearwater. Moccasin Lake Park; NE meadow. 27º 57’ 54” N -82º -54’ -40” W
Habitat:Disturbed site.
Reproductive State:Bud
Collector:G. Fleming 3622
Date:02 Sep 1983
Accession No:171812
Image:171812.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: G. Wilhelm, 1983
Locality:USA. Florida. Escambia Co.: Pensacola. At the S end of Palafox Street. 30º 24’ 33” N -87º -12’ -51” W
Habitat:In ruderal waste ground.
Reproductive State:Flower, Fruit
Collector:G. Wilhelm 11427
Date:17 May 1983
Accession No:172434
Image:172434.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1978
Locality:USA. Florida. Sarasota Co.: 4000 block of Shade Avenue S of Bee Ridge Road.
Habitat:Oak scrub with open areas and creek.
Reproductive State:Flower
Collector:C. H. Dodson 4706
  with T.A. Dodson
Date:15 Jul 1978
Accession No:242055
Image:242055.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: S. Cole, 1995
Locality:USA. Florida. Manatee Co.: Lake Manatee State Recreation Area. Along boat ramp parking lot, in ruderal area. T34S, R20E, Sec. 31, E½ of SW¼ of SW¼ of NE¼. 27º 30’ 0” N -82º -16’ -59” W
Description:Erect composite to 1.25 m height; flower heads pendent, disk greenish-yellow; achene epappose. Common
Habitat:Baygall.
Reproductive State:Flower
Collector:S. Cole LM0173
Date:15 Jun 1995
Accession No:232526
Image:232526.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1976
Locality:USA. Florida. Sarasota Co.: Sarasota. Longboat Key, S end. 27º 20’ 11” N -82º -31’ -50” W
Habitat:Beach hammock overlooking Gulf of Mexico; Agave - Juniperus - Sabal - Yucca association.
Reproductive State:Flower
Collector:O. K. Lakela 28142
  with R.W. Long
Date:10 Feb 1965
Accession No:62743
Image:62743.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1976
Determination History: Ambrosia elatior L. - Determined By: O. K. Lakela, 1965
Locality:USA. Florida. Brevard Co.: Malabar Cape. S of Melbourne Beach; dunes and hammock between FL A1A and Indian River. 28º 5’ 1” N -80º -36’ -29” W
Reproductive State:Flower
Collector:O. K. Lakela 28659
Date:22 May 1965
Accession No:64898
Image:64898.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1976
Determination History: Ambrosia elatior L. - Determined By: O. K. Lakela, 1966
Locality:USA. Florida. Broward Co.: Hugh Taylor Birch State Park. Fort Lauderdale. 30º 4’ 59” N -83º -34’ -59” W
Habitat:Primary hammock with extensions of subtropical flora; Krugiodendron, Metopium, Genipa.
Reproductive State:Flower
Notes:Both Lakela and Long assigned serial numbers to this specimen; as Lakela was listed first, the priority was given to her number.
Collector:O. K. Lakela 29675
  with R.W. Long 1585
Date:19 Apr 1966
Accession No:73787
Image:73787.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1976
Determination History: Ambrosia elatior L. - Determined By: O. K. Lakela, 1965
Locality:USA. Florida. Broward Co.: Thorncrest Motel grounds, Deerfield. 26º 19’ 0” N -80º -6’ 0” W
Description:All sterile, the same size. 
Habitat:Covering ca. 90% of a recently plowed terrace.
Collector:O. K. Lakela 28282
Date:20 Mar 1965
Accession No:63969
Image:63969.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1976
Determination History: Ambrosia elatior L. - Determined By: O. K. Lakela, 1967
Locality:USA. Florida. Collier Co.: Lake Trafford W of Immokalee. 26º 12’ 39” N -81º -48’ -24” W
Collector:O. K. Lakela 30786
  with F. Almeda
Date:21 Apr 1967
Accession No:79972
Image:79972.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1990
Determination History: Ambrosia cumanensis Kunth - Determined By: R. P. Wunderlin, 1977
Ambrosia psilostachya DC. - Determined By: G. R. Cooley, 1959
Locality:USA. Florida. Levy Co.: Second island off the mouth of the Withlacoochee River. 28º 21’ 0” N -81º -49’ 0” W
Reproductive State:Flower
Collector:G. R. Cooley 6999
  with R.J. Eaton, D.B. Ward
Date:16 Sep 1959
Accession No:15844
Image:15844.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: J. E. Poppleton, 1973
Locality:USA. Florida. Brevard Co.: N Merritt Island. W side of Wisconsin Village Road; roadside. T21S, R36E, Sec. 28.
Habitat:Ruderal; full sun, moist soil.
Reproductive State:Flower
Collector:A.G. Shuey M1178
Date:30 May 1973
Accession No:119005
Image:119005.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1983
Locality:USA. Florida. Flagler Co.: At Little Haw Creek, 0.5 mi. N of the Volusia County line along FL 11; ca. 5 mi. S of Cody's Corner; roadside at bridge. T14S, R29E, Sec. 23, NE¼ of SE¼. 29º 4’ 59” N -81º -12’ 0” W
Habitat:Weedy and creek bank.
Reproductive State:Flower
Collector:B. F. Hansen 9709
  with J. Hansen
Date:27 Sep 1983
Accession No:173915
Image:173915.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1993
Locality:USA. Florida. Pinellas Co.: Brooker Creek Preserve. Just S of Tarpon Springs Road at powerline right-of-way. T27S, R16E, Sec. 12, SE¼ of SE¼. 29º 53’ 19” N -82º -19’ -57” W
Habitat:Small, dry Quercus geminata hammock; weeds under powerline.
Reproductive State:Flower
Collector:B. F. Hansen 12541
  with P. Dooris
Date:17 Nov 1993
Accession No:209225
Image:209225.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: C. Becker, 1998
Locality:USA. Florida. Manatee Co.: Wingate Creek State Preserve. T35S, R22E, Sec. 7, NE¼ of SE¼ of NW¼.
Description:Plant erect, short scabrous or canescent; leaves distinctly petiolate, the upper primarily alternate, the lower opposite, fruiting involucre with 5-7 spines. 
Habitat:Ruderal.
Reproductive State:Flower
Collector:C. Becker WC0454
Date:06 Aug 1998
Accession No:226281
Image:226281.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. J. Herring, 1992
Locality:USA. Florida. Suwannee Co.: Ichetucknee Springs State Park. 6 mi. NW of Fort White off of C-238; ca. 3.2 mi. SW of N Entrance in SW portion of section 2F; E side of fencerow. T6S, R15E, Sec. 14.
Description:Tall herb; male and female flowers present. Frequent
Habitat:Ruderal edge of mixed upland forest; with Paspalum notatum and Bidens bipinnata.
Reproductive State:Flower
Collector:B. J. Herring 899
  with W. Zomlefer
Date:27 Aug 1992
Accession No:211265
Image:211265.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: P. Genelle, 1976
Locality:USA. Florida. Pinellas Co.: Dunedin. Dunedin Hammock; E woods road. 28º 1’ 11” N -82º -46’ -18” W
Reproductive State:Flower
Collector:P. Genelle 2369
  with G. Fleming
Date:25 Sep 1976
Accession No:126154
Image:126154.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Polk Co.: Avon Park Air Force Range. W side of Utes Road, ca. 100 yds. S of its junction with Jennings Memorial Drive. T32S, R30E, Sec. 29, SW¼. 30º 36’ 14” N -83º -5’ -52” W
Habitat:Disturbed pineland.
Reproductive State:Bud
Collector:C. vanHoek 953
  with B. Wargo
Date:06 Sep 1997
Accession No:250807
Image:250807.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Charlotte Co.: Prairie/Shell Creek (Southwest Florida Water Management District property), ca. 7 km NE of the junction of I-75 and US 17, ca. 12 km NE of Punta Gorda. T40S, R23E, Sec. 13. 28º 0’ 0” N -82º 0’ 0” W
Habitat:Along trail in scrubby flatwoods.
Reproductive State:Flower
Collector:A. R. Franck 1286
Date:01 Jun 2009
Accession No:250709
Image:250709.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. K. Holst, 2008
Locality:USA. Florida. Manatee Co.: N side of road on Emerson Point Preserve, W end of Snead Island, the NW-most island of the Manatee River, adjacent to the Gulf of Mexico. 27º 31’ 54” N 82º 37’ 36” W
Description:Flowers green. Frequent
Habitat:Mangroves and adjacent areas.
Reproductive State:Bud
Elevation:0 to 2 m
Collector:J. Beckner 2760
  with K. Relish
Date:07 Jun 1998
Accession No:249607
Image:249607.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Sumter Co.: Dade Battlefield Historic State Park. T21S, R22E, Sec. 20. 28º 37’ 59” N -82º -9’ 0” W
Habitat:Ruderal.
Reproductive State:Flower
Collector:A. Bishop DB0076
  with K. Alvarez
Date:01 Oct 2002
Accession No:248471
Image:248471.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Sarasota Co.: Churchill Ranch on Border Road, part of Deer Prairie Creek Preserve, ca. 2.3 km ENE of the junction of I-75 and C-777 (River Road). T39S, R20E, Sec. 5. 27º 7’ 3” N 82º 19’ 40” W
Habitat:Disturbed site along road.
Reproductive State:Bud
Collector:A. R. Franck 290
Date:21 Jul 2007
Accession No:246073
Image:246073.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Volusia Co.: 0.5 mi. E of FL 17 next to Prevatt Fern Road, 1. mi. N of Seville and C-305. T13S, R28E, Sec. 32. 29º 19’ 0” N -81º -28’ -59” W
Habitat:Leatherleaf saran fernery.
Reproductive State:Flower
Collector:C. Slaughter 15753
Date:14 Jul 2007
Accession No:244914
Image:244914.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Duval Co.: At entrance to Trail Ridge Landfill, just W of FL 301, N of C-228, and 5 mi. S of I-10. T3S, R23E, Sec. 21.
Habitat:Lawn or open field.
Reproductive State:Bud
Collector:C. Slaughter 15758
  with M. Minno
Date:14 Aug 2007
Accession No:244776
Image:244776.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Calhoun Co.: Blountstown; Myers Dairy Road, 0.6 mi. N of Abe Springs Road. 30º 24’ N 85º 7’ 41” W
Description:Erect herb to 1.6 m; male flowers yellow, female light green. Common
Habitat:35 acre weedy, grassy field.
Reproductive State:Flower
Collector:T. MacClendon 524
  with K. MacClendon
Date:27 Sep 2006
Accession No:243764
Image:243764.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1994
Locality:USA. Florida. Hillsborough Co.: Flatwoods [County] Park. 1.5 mi. (sld) WNW of Morris Bridge; ca 7 mi. E of Lutz. T27S, R20E, Sec. 30, SW¼. 28º 9’ 4” N -82º -27’ -41” W
Habitat:Pine flatwoods along edges of Lythrum marsh.
Reproductive State:Flower
Collector:R. P. Wunderlin 10622
Date:22 Oct 1994
Accession No:221274
Image:221274.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: O. K. Lakela
Determination History: Ambrosia elatior L. - Determined By: O. K. Lakela
Ambrosia monophylla (Walter) Rydb. - Determined By: C. T. Reed, 1963
Locality:USA. Florida. Hillsborough Co.: Tampa. N Nebraska Avenue, opposite Oak Grove School. 27º 56’ 51” N -82º -27’ -30” W
Description:Flowers green. 
Reproductive State:Flower
Collector:C. T. Reed S-1299
Date:28 Nov 1963
Accession No:57595
Image:57595.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1979
Locality:USA. Florida. Lake Co.: Shore of Lake Dorr at boat landing and along small road leading to the boat landing, ca. 0.5 mi. E of Pittman. T17S, R27E, Sec. 17, NW¼. 28º 59’ 59” N -81º -38’ -30” W
Habitat:Dry pinelands grading into lake shore.
Reproductive State:Flower
Collector:B. F. Hansen 6488
  with R.P. Wunderlin, R.P. Sauleda, D. Richardson
Date:12 Oct 1979
Accession No:144683
Image:144683.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Determination History: Ambrosia elatior L. - Determined By: J. B. McFarlin, 1937
Locality:USA. Florida. Highlands Co.: Near Childs; along the roadside. 27º 12’ 0” N -81º -19’ -59” W
Reproductive State:Flower
Collector:J. B. McFarlin 11111
Date:27 Jul 1937
Accession No:175159
Image:175159.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1984
Determination History: Ambrosia monophylla (Walter) Rydb. - Determined By: C. T. Reed, 1963
Locality:USA. Florida. Hillsborough Co.: Tampa. Opposite Oak Grove School. 27º 56’ 51” N -82º -27’ -30” W
Description:Flower color green. 
Reproductive State:Flower, Fruit
Collector:C. T. Reed S-1299
Date:28 Nov 1963
Accession No:175599
Image:175599.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: O. K. Lakela, 1964
Locality:USA. Florida. Lee Co.: Mound Key. Estero Bay, Gulf of Mexico. 26º 26’ 17” N -81º -48’ -24” W
Habitat:Shell mound to 60 ft. high with partly disturbed vegetation, shores of mangrove and succulent herbs; Opuntia and Lantana abundant in dry exposed areas; Bursera, Eugenia, Forestiera in hammock cover of slopes.
Collector:O. K. Lakela 27011
  with F.C. Craighead, C. Craighead
Date:20 Apr 1964
Accession No:59582
Image:59582.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: S. Landry, 1994
Locality:USA. Florida. Hillsborough Co.: Balm-Boyette Tract. 2.2 mi. SSE of Boyette. T31S, R21E, Sec. 16, SE¼ of NW¼. 27º 49’ 3” N -82º -13’ -21” W
Reproductive State:Flower
Collector:S. Landry s.n.
  with C. Vandaveer
Date:23 Sep 1994
Accession No:222194
Image:222194.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1985
Locality:USA. Florida. Gilchrist Co.: Along FL 26, 1.7 mi. W of Trenton. T10S, R15E, Sec. 18, SW¼ of NE¼. 29º 36’ 47” N -82º -49’ -3” W
Habitat:Weedy area along road and railroad.
Reproductive State:Flower, Fruit
Collector:B. F. Hansen 10750
  with R.P. Wunderlin, C. vanHoek
Date:25 Oct 1985
Accession No:188212
Image:188212.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1985
Locality:USA. Florida. Okeechobee Co.: 2.1 mi. SW of Osceola County line on US 441; roadside. T35S, R35E, Sec. 7. 28º 1’ 59” N -81º -7’ 0” W
Habitat:Dry, disturbed.
Reproductive State:Flower, Fruit
Collector:R. P. Wunderlin 10056
  with B.F. Hansen, C. vanHoek
Date:29 Sep 1985
Accession No:188793
Image:188793.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. F. Daubenmire, 1975
Locality:USA. Florida. Lake Co.: Mt. Plymouth. 28º 41’ 31” N -81º -32’ -50” W
Habitat:In oak forest.
Reproductive State:Flower, Fruit
Collector:R. F. Daubenmire s.n.
  with J. Daubenmire
Date:26 Oct 1975
Accession No:179170
Image:179170.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: J. Myers, 1998
Locality:USA. Florida. Hillsborough Co.: Little Manatee River State Park. 75 ft. S of canoe launch parking area. T32S, R19E, Sec. 26, NW¼ of NE¼. 27º 28’ 59” N -82º -10’ -59” W
Description:Erect forb to 0.8 m. 
Habitat:Scrub.
Reproductive State:Flower
Collector:J. Myers 150
Date:23 Sep 1998
Accession No:233545
Image:233545.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: S. Cole, 1994
Locality:USA. Florida. Hillsborough Co.: Little Manatee River State Recreation Area. In ruderal area near canoe launch parking lot. T32S, R19E, Sec. 26, W½ of NE¼ of NW¼ of NE¼. 27º 28’ 59” N -82º -10’ -59” W
Habitat:Xeric hammock.
Reproductive State:Flower, Fruit
Collector:S. Cole LR1089
  with R. Owen
Date:03 Dec 1994
Accession No:217952
Image:217952.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Charlotte Co.: Port Charlotte Beach State Recreation Area. Manasota Key; central and S areas of Park. 26º 55’ 0” N -81º -55’ 0” W
Habitat:Coastal berm.
Collector:S. Erickson PC0025
Date:05 Mar 1991
Accession No:202401
Image:202401.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: S. Cole, 1994
Locality:USA. Florida. Lee Co.: Koreshan State Historic Site. Burn zone 1 SW, in moist areas. T46S, R25E, Sec. 33, SE¼ of SW¼ of SE¼ of NE¼ of NW¼.
Description:Erect composite to 1.5 m height; pistillate flowers apetalous, heads nodding; achene eppapose. Common
Habitat:Mesic flatwoods.
Reproductive State:Flower
Collector:S. Cole KS0038
Date:03 Jun 1994
Accession No:232563
Image:232563.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: S. Cole, 1994
Locality:USA. Florida. Manatee Co.: South Fork State Preserve. In old field along S boundary. T33S, R20E, Sec. 13, NE¼ of NE¼ of NE¼ of NE¼.
Habitat:Xeric hammock.
Reproductive State:Flower, Fruit
Collector:S. Cole SF0283
  with R. Owens
Date:05 Nov 1994
Accession No:232639
Image:232639.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: J. E. Poppleton, 1973
Locality:USA. Florida. Brevard Co.: N Merritt Island. On the W side of Wisconsin Village Road; roadside. T21S, R36E, Sec. 28, E½.
Habitat:Ruderal; full sun, moist soil.
Reproductive State:Flower
Collector:A.G. Shuey M1179
Date:30 May 1973
Accession No:119004
Image:119004.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: S.W. Braem, 1998
Locality:USA. Florida. Charlotte Co.: Don Pedro State Recreation Area. T42S, R20E, Sec. 3, NW¼ of NW¼ of SW¼. 28º 58’ 0” N -82º -7’ 0” W
Habitat:Ruderal.
Reproductive State:Flower
Collector:S.W. Braem DP0017
Date:16 Sep 1998
Accession No:232444
Image:232444.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1976
Determination History: Ambrosia elatior L. - Determined By: O. K. Lakela, 1967
Locality:USA. Florida. Collier Co.: Cape Romano. SE shore.
Habitat:Glade and hammock border; Sabal palmetto, Sophora, Coccoloba, Suriana association.
Reproductive State:Flower
Collector:O. K. Lakela 31019
  with C. Barilotti
Date:16 Aug 1967
Accession No:80755
Image:80755.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1987
Locality:USA. Florida. Jackson Co.: Under the US 90 bridge over the Apalachicola River, 0.5 mi. W of Chattahoochee. T4N, R6W, Sec. 31. 29º 43’ 32” N -84º -58’ -59” W
Habitat:Riverine forest and weedy margins.
Reproductive State:Flower
Collector:B. F. Hansen 11465
  with F. Essig
Date:01 Sep 1987
Accession No:192699
Image:192699.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1986
Locality:USA. Florida. Okeechobee Co.: Lake Okeechobee public access point at Nubbin Slough, ca. 4.5 mi. (s.l.d.) SE of Okeechobee. T38S, R36E, Sec. 6, NW¼ of SE¼. 27º 14’ 38” N -80º -49’ -47” W
Habitat:Weedy area along lake shore.
Reproductive State:Flower
Collector:B. F. Hansen 11284
  with R.P. Wunderlin, K. Kuhlman
Date:25 Sep 1986
Accession No:191803
Image:191803.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1976
Determination History: Ambrosia hispida Pursh - Determined By: Hilsenbeck, R. & D. Cole, 1974
Locality:USA. Florida. Hillsborough Co.: Cockroach Key Mound. T32S, R18E, Sec. 20.
Habitat:Indian shell mound.
Reproductive State:Flower
Collector:D. Cole 5
Date:19 Oct 1974
Accession No:119515
Image:119515.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Sarasota Co.: North Port. Little Salt Spring. T39S, R21E, Sec. 20, NW¼.
Reproductive State:Flower
Collector:J. Brown 521
  with A. Arcuri
Date:07 Jun 1977
Accession No:128460
Image:128460.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1976
Determination History: Ambrosia elatior L. - Determined By: O. K. Lakela, 1969
Locality:USA. Florida. Miami-Dade Co.: S Miami. Off US 1, vicinity [of] Sunset Dr.ive 25º 42’ 21” N -80º -21’ -8” W
Habitat:Remnants of original pinelands, introduced cultigens [cultivars?].
Reproductive State:Flower
Collector:O. K. Lakela 31940
Date:28 Oct 1969
Accession No:88017
Image:88017.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: C. vanHoek, 2001
Locality:USA. Florida. Pinellas Co.: Caladesi Island State Park. Power line road behind ranger's home. T28S, R15E, Sec. 29.
Habitat:Mesic flatwoods.
Reproductive State:Flower, Fruit
Collector:C. vanHoek CI0062
Date:18 Nov 2001
Accession No:234941
Image:234941.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: P. Genelle, 1976
Locality:USA. Florida. Pinellas Co.: Dunedin. Dunedin Hammock, W woods road. 28º 1’ 11” N -82º -46’ -18” W
Reproductive State:Fruit
Collector:P. Genelle 2468
  with G. Fleming
Date:28 Sep 1976
Accession No:126044
Image:126044.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: D. R. Lindsey, 1981
Locality:USA. Florida. Highlands Co.: Avon Park Bombing Range; along Kissimmee Road W of Morgan's Hole. 28º 17’ 27” N -81º -24’ -25” W
Reproductive State:Flower, Fruit
Collector:D. R. Lindsey 1075
  with S. Upchurch
Date:09 Oct 1981
Accession No:167528
Image:167528.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: G. Robinson, 1984
Locality:USA. Florida. Manatee Co.: Along FL 62, 6.8 mi. E of Parrish; roadside ditch. T33S, R20E, Sec. 16, SE¼. 27º 34’ 59” N -82º -25’ 0” W
Reproductive State:Flower
Collector:G. Robinson 605
  with R.P. Wunderlin, B.F. Hansen
Date:06 Jun 1984
Accession No:177798
Image:177798.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: D. W. Crewz, 1986
Locality:USA. Florida. Indian River Co.: S Vero Beach. Seagrove mitigation.
Habitat:Marsh margin.
Reproductive State:Bud
Collector:D. W. Crewz 3027
Date:03 Jul 1986
Accession No:201315
Image:201315.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: D. R. Lindsey, 1977
Locality:USA. Florida. Hillsborough Co.: Along FL 581, ca. 5 mi. N of Tampa. 27º 56’ 51” N -82º -27’ -30” W
Reproductive State:Flower
Collector:D. R. Lindsey 37
Date:06 Oct 1977
Accession No:129683
Image:129683.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: K. D. Perkins, 1974
Locality:USA. Florida. Levy Co.: FL 24, 3 mi. NE of Cedar Key.
Description:Several; 2 ft. - 3 ft. tall. 
Habitat:Salt marsh area.
Reproductive State:Flower
Collector:L. Baltzell 6844
Date:17 Oct 1974
Accession No:165620
Image:165620.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: G. Robinson, 1981
Locality:USA. Florida. Hendry Co.: Along US 27, 0.3 mi. S of Glades County line; ca. 9 mi. W of Clewiston; roadside. T43S, R32E, Sec. 12, NE¼. 26º 45’ 15” N -80º -56’ -1” W
Reproductive State:Flower
Collector:G. Robinson 293
  with B.F. Hansen
Date:02 Jul 1981
Accession No:160365
Image:160365.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: O. K. Lakela
Determination History: Ambrosia elatior L. - Determined By: O. K. Lakela, 1963
Locality:USA. Florida. Miami-Dade Co.: NW Homestead, near intersection of Redland and 308th Street. 25º 28’ 7” N -80º -28’ -39” W
Description:Plants to 1 m high. Abundant
Habitat:In disturbed areas.
Reproductive State:Flower
Collector:O. K. Lakela 26226
Date:13 Aug 1963
Accession No:54819
Image:54819.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1980
Locality:USA. Florida. St. Lucie Co.: Along S side of FL 68, 10 mi. W of Turnpike; ca. 15 mi. W of Fort Pierce; roadside ditch. T35S, R37E, Sec. 12, NE¼ of NW¼. 27º 49’ 59” N -81º -58’ 0” W
Reproductive State:Flower
Collector:B. F. Hansen 7197
  with R. Sauleda, D. Richardson
Date:29 May 1980
Accession No:149091
Image:149091.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1976
Determination History: Ambrosia elatior L. - Determined By: O. K. Lakela, 1964
Locality:USA. Florida. Collier Co.: Immokalee. 26º 25’ 7” N -81º -25’ -2” W
Description:Large plants. 
Habitat:Along trails.
Reproductive State:Flower, Fruit
Collector:O. K. Lakela 27496
Date:26 Sep 1964
Accession No:61389
Image:61389.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1981
Locality:USA. Florida. Washington Co.: At Gum Creek, along C-279, 1.3 mi. N of its junction with C-280; ca. 4 mi. SE of Caryville; roadside ditch. T4N, R15W, Sec. 30, NW¼ of SE¼. 30º 46’ 23” N -85º -48’ -50” W
Reproductive State:Flower
Collector:B. F. Hansen 8759
Date:28 Sep 1981
Accession No:158707
Image:158707.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: B. F. Hansen, 1981
Locality:USA. Florida. Holmes Co.: Along US 90, ca. 5 mi. W of Ponce de Leon; 2 mi. E of the Walton County line; roadside ditch. T3N, R18W, Sec. 36, NW¼ of NW¼. 30º 37’ 0” N -86º -10’ 0” W
Reproductive State:Flower
Collector:B. F. Hansen 8919
Date:28 Sep 1981
Accession No:158720
Image:158720.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1976
Determination History: Ambrosia elatior L. - Determined By: O. K. Lakela, 1964
Locality:USA. Florida. Sarasota Co.: Longboat Key. S end. 27º 24’ 45” N -82º -39’ -32” W
Habitat:Beach hammock overlooking Gulf of Mexico; Agave - Juniperus - Sabal association; shell beach.
Reproductive State:Flower
Collector:O. K. Lakela 27568
  with R.W. Long
Date:06 Oct 1964
Accession No:122462
Image:122462.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: S. Morrill, 1978
Locality:USA. Florida. Lee Co.: N Captiva Island. Near airstrip. 26º 31’ 19” N -82º -11’ -21” W
Description:Yellow flower. 
Habitat:Disturbed area.
Reproductive State:Flower
Collector:S. Morrill 119
  with J. Harvey
Date:09 Aug 1978
Accession No:141223
Image:141223.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: R. P. Wunderlin, 1978
Locality:USA. Florida. DeSoto Co.: 1 mi. W of Arcadia on FL 70; roadside. 27º 12’ 57” N -81º -51’ -30” W
Habitat:Edge of mesic woods and disturbed.
Reproductive State:Flower, Fruit
Collector:R. P. Wunderlin 6340
  with A. Arcuri, B.F. Hansen
Date:29 Oct 1978
Accession No:143469
Image:143469.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: C. vanHoek, 2002
Locality:USA. Florida. Pasco Co.: Werner-Boyce Salt Springs State Park. In disturbed edges of the loop trail off Old Post Road. T25S, R16E, Sec. 29, NW¼ of NE¼.
Habitat:Maritime hammock.
Reproductive State:Flower
Collector:C. vanHoek WB027
  with S. Petty
Date:26 Sep 2002
Accession No:239477
Image:239477.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Collier Co.: Collier-Seminole State Park. Youth camp, in ruderal area. T51S, R27E, Sec. 27. 26º 7’ 59” N -81º -28’ -59” W
Description:Erect forb to 2 m height; flower greenish-yellow, in cup-like heads; fruit [a] beaked, spiny achene. Occasional
Habitat:Mesic flatwoods.
Reproductive State:Flower
Collector:J. Weber CS0183
Date:23 Jun 1992
Accession No:208744
Image:208744.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L.
Locality:USA. Florida. Lee Co.: Gasparilla Island State Recreation Area. Near Boca Grande Lighthouse W of dock. T43S, R20E, Sec. 26, S½ of SE¼ of SW¼ of SE¼. 26º 48’ 17” N -82º -16’ -36” W
Description:Subshrub to 60 cm height; flower heads greenish-yellow, pendent; in spikes; fruit [an] epappose achene. Uncommon
Habitat:Beach dune.
Reproductive State:Flower
Collector:A. Peters GI0008
  with S. Braem
Date:30 Apr 1992
Accession No:212151
Image:212151.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: G. Wilhelm, 1980
Locality:USA. Florida. Walton Co.: Ca. 2 mi. S of De Funiak Springs, off W side of US 331, S of I-10 interchange.
Collector:G. Wilhelm 8108
Date:25 Nov 1980
Accession No:159255
Image:159255.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: G. Wilhelm, 1980
Locality:USA. Florida. Okaloosa Co.: At the W edge of Crestview, just N of US 90 at the W edge of the Winn Dixie shopping center. T3N, R23W, Sec. 18, N½ of NE¼. 30º 45’ 43” N -86º -34’ -13” W
Habitat:Along a fencerow.
Reproductive State:Flower
Collector:G. Wilhelm 8028
Date:24 Nov 1980
Accession No:159339
Image:159339.jpg
Family Name:Asteraceae
Currently Accepted Name:Ambrosia artemisiifolia L. - Determined By: S. Todd, 1974
Locality:USA. Florida. Hillsborough Co.: Beacon Key. Study site # 9. T32S, R18E, Sec. 31.
Description:Very prominent in the aspection. Ca. 3 dm tall, some were taller. 
Habitat:Shell dump and fill area, dominated by Serenoa & Quercus.
Reproductive State:Flower
Collector:S. Todd 247
Date:25 Jul 1974
Accession No:112188
Image:112188.jpg

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