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Selected Herbarium Specimen Details (142) Download

Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum L.
Locality:USA. Florida. St. Johns Co.: FL 16 at S-bound ramp from I-95, at I-95 and C-208. 29º 55’ 6” N 81º 24’ 48” W
Habitat:Roadside ditch.
Reproductive State:Flower
Collector:W. D. Longbottom 16886
  with D.H. Williams
Date:17 Apr 2012
Accession No:265099
Image:265099.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum L.
Locality:USA. Florida. Union Co.: Just S of the church along C-125, S of C-199. 30º 6’ 34” N 82º 9’ 55” W
Habitat:In fields.
Reproductive State:Flower, Fruit
Collector:W. D. Longbottom 16982
  with D.H. Williams
Date:17 Apr 2012
Accession No:265387
Image:265387.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Pinellas Co.: Brooker Creek Preserve. Ca. 3.5 mi. S of Tarpon Springs Road along diagonal powerlin. T27S, R16E, Sec. 35, SE¼ of NW¼. 29º 53’ 19” N -82º -19’ -57” W
Habitat:Roadside.
Reproductive State:Flower
Collector:B. F. Hansen 12670
  with R.P. Wunderlin, P. Dooris
Date:02 Mar 1994
Accession No:209471
Image:209471.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Charlotte Co.: Tucker's Corner, 6 mi. S of Bermont on W side of FL 31. T42S, R25E, Sec. 1, NE¼ of NE¼. 26º 55’ 59” N -81º -45’ 0” W
Habitat:Pine flatwoods.
Reproductive State:Flower
Collector:B. F. Hansen 7021
  with D.R. Richardson, G. Robinson
Date:10 Apr 1980
Accession No:150919
Image:150919.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium smallii Britton - Determined By: H. E. Ahles
Cirsium horridulum Michx.
Locality:USA. Florida. Seminole Co.: Ca. 1 mi. SE of Oviedo off FL 419. 28º 40’ 11” N -81º -12’ -29” W
Description:Involucre urceolate; florets deep lavender. Infrequent
Habitat:Extensive longleaf pine [Pinus palustris] - Serenoa repens flatwood; berm between roadside and moist margin of wood.
Notes:Sheet 1 of 2.
Collector:J. D. Ray, Jr. 10743
  with C.E. Wood, C.E. Smith, R.J. Eaton
Date:26 Apr 1961
Accession No:40921
Image:40921.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum Small - Determined By: O. K. Lakela, 17-Apr-1962
Cirsium smallii Britton fm. purpureum Murrill
Locality:USA. Florida. Polk Co.: T26S, R22E, Sec. 2.
Description:To ca. 8 dm tall; corolla rose lavender. 
Habitat:Along highway and roadside ditch bordering longleaf pine [Pinus palustris] - palmetto [Serenoa repens] flatwoods with occasional small cypress [Taxodium] ponds.
Reproductive State:Fruit
Collector:G. R. Cooley 8269
  with R.J. Eaton, C.E. Wood, Jr.
Date:03 May 1961
Accession No:43063
Image:43063.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Hillsborough Co.: Egmont Key, bay side. 30º 12’ 0” N -85º -37’ 0” W
Description:Flowers lavender. 
Habitat:Disturbed area.
Reproductive State:Flower
Collector:R. P. Wunderlin 5949
  with S. Mortellaro, R. Wilkins, W. Kutash
Date:25 Apr 1978
Accession No:132142
Image:132142.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
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). T46S, R22E, Sec. 19, NE¼. 26º 31’ 19” N -82º -11’ -21” W
Habitat:Roadside weeds.
Reproductive State:Flower, Fruit
Collector:B. F. Hansen 4972
  with A.N. Arcuri, D.R. Richardson
Date:12 Jan 1979
Accession No:251293
Image:251293.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: B. F. Hansen, Oct 2009
Determination History: Cirsium horridulum Michx. var. elliottii Torr. & A. Gray - Determined By: A.G. Shuey
Locality:USA. Florida. Brevard Co.: North Merritt Island. Paved road leading NW off C-406. T21S, R36E, Sec. 7, W½.
Habitat:Road shoulder, ruderal.
Reproductive State:Flower, Fruit
Collector:A.G. Shuey M0783
Date:06 Apr 1973
Accession No:119060
Image:119060.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: B. F. Hansen, Oct 2009
Determination History: Cirsium horridulum Michx. fm. elliottii (Torr. & A. Gray) Fernald
Locality:USA. Florida. Palm Beach Co.: FL 441, 10 mi. W of Lantana. 26º 35’ 12” N -80º -3’ -7” W
Description:Plants 5 ft. tall; corollas violet. 
Habitat:Low pineland.
Reproductive State:Flower
Collector:W. L. McCart 11336
Date:28 Feb 1970
Accession No:98296
Image:98296.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: B. F. Hansen, Oct 2009
Determination History: Cirsium horridulum Michx. var. vittatum (Small) R. W. Long - Determined By: W. Webb
Locality:USA. Florida. Wakulla Co.: St. Marks National Wildlife Refuge.
Habitat:Pine flatwood areas.
Reproductive State:Flower, Fruit
Collector:W. Webb 126
Date:21 Oct 1972
Accession No:104062
Image:104062.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Hernando Co.: Withlacoochee State Forest. 28º 21’ 0” N -81º -49’ 0” W
Habitat:Sandy pinelands, Pinus elliottii.
Reproductive State:Flower
Collector:P. Genelle 1800
  with G. Fleming
Date:05 May 1973
Accession No:104804
Image:104804.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Manatee Co.: Corner of Singletary Road and Rex Road. 28º 3’ 26” N -82º -14’ -4” W
Description:Plant to 2 m tall; flowers pink. 
Reproductive State:Flower
Collector:C. H. Dodson 8007
Date:01 Apr 1979
Accession No:139451
Image:139451.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Okaloosa Co.: Along N side of US 98, just over the W end of bridge over Destin East Pass. 30º 23’ 36” N -86º -29’ -44” W
Reproductive State:Flower
Collector:G. Wilhelm 8594
  with S. Blackmon
Date:16 Mar 1981
Accession No:159309
Image:159309.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Seminole Co.: S of Sanford. 28º 48’ 1” N -81º -16’ -23” W
Description:Flower head purple. 
Habitat:Hammock.
Reproductive State:Flower, Fruit
Collector:G. R. Cooley 7598
  with R.J. Eaton, J.D. Ray, Jr.
Date:03 May 1960
Accession No:18936
Image:18936.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Hillsborough Co.: Little Manatee River State Park. E section of S loop of North Hiking Trail. T32S, R20E, Sec. 30, NW¼ of NW¼. 27º 28’ 59” N -82º -10’ -59” W
Description:Armed erect forb to 0.6 m. 
Habitat:Ruderal.
Reproductive State:Flower
Collector:J. Myers 14
  with S. Marchesi
Date:30 Apr 1998
Accession No:230951
Image:230951.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Manatee Co.: Wingate Creek State Preserve. T35S, R22E, Sec. 7, NW¼ of SE¼ of NW¼.
Description:Heads subtended by a secondary involucre of spinescent bracts. 
Habitat:Ruderal/firelane.
Reproductive State:Flower, Fruit
Collector:C. Becker WC0570
Date:14 Apr 2000
Accession No:226345
Image:226345.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Collier Co.: Fakahatchee Strand Preserve State Park. Janes Scenic Drive, 1.4 mi. S of Gate 19. T51S, R29E, Sec. 8, NW¼. 25º 52’ 6” N -81º -29’ -21” W
Habitat:Wet flatwoods.
Reproductive State:Bud
Collector:R. Pires FS0037
Date:29 Feb 2000
Accession No:239944
Image:239944.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Putnam Co.: E of Jumping Gully Road and picnic shelter, Lake George Conservation Area, 10 mi. SW of Crescent City and FL 17. T13S, R27E, Sec. 16. 27º 45’ 0” N -82º -7’ -59” W
Habitat:Sweetgum [Liquidambar styraciflua] mixed oak hardwood community next to small creek.
Reproductive State:Flower
Collector:C. Slaughter 11482
  with M. Minno, S. Meyers
Date:04 Apr 2000
Accession No:225983
Image:225983.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Lee Co.: Cayo Costa State Park. Near campground. 26º 41’ 6” N 82º 15’ 30” W
Habitat:Coastal grassland; grassy area.
Reproductive State:Flower
Collector:A. Bishop CC0043
  with B. Holst
Date:04 Mar 2003
Accession No:242282
Image:242282.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: Robert Kral
Locality:USA. Florida. Wakulla Co.: Riversink [Spring].
Description:Heads yellow. Occasional
Habitat:Longleaf pine [Pinus palustris] - turkey oak [Quercus laevis] barrens.
Reproductive State:Fruit
Collector:R. Kral 6447
Date:27 Apr 1958
Accession No:5744
Image:5744.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Polk Co.: Ca. 5 mi. E of Fort Meade along US 98.
Habitat:Seasonally moist, grassy pineland, almost cleared of pine; palmetto [Serenoa repens] dominant.
Reproductive State:Flower
Collector:J. D. Ray, Jr. 9697
  with H.A. Gleason, R.J. Eaton
Date:24 Apr 1960
Accession No:20797
Image:20797.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Levy Co.: T17S, R15E, Sec. 1.
Description:Ligules (corollas) light reddish purple, Munsell hue 10P6/9. 
Habitat:Pinewood at edge of tidal marsh.
Reproductive State:Flower
Collector:G. R. Cooley 6424
  with R.J. Eaton
Date:20 Apr 1959
Accession No:9700
Image:9700.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Collier Co.: NE side of Scenic Drive NW of Copeland, off FL 29, vicinity of Fakahatchee. 25º 52’ 6” N -81º -29’ -21” W
Description:Flowers white. 
Habitat:Glade, dry soil.
Reproductive State:Flower
Collector:O. K. Lakela 30746
  with F. Almeda
Date:20 Apr 1967
Accession No:79960
Image:79960.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Osceola Co.: SW corner of county.
Reproductive State:Flower
Collector:G. R. Cooley 12617
  with O. Lakela, R.W. Long
Date:15 Mar 1969
Accession No:85311
Image:85311.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Pasco Co.: Along C-587, 5.2 mi. SW of its junction with FL 52, ca. 5.5 mi. ENE of New Port Richey. T25S, R17E, Sec. 29, SW¼ of SW¼. 28º 13’ 59” N -82º -16’ -59” W
Habitat:Sand pine [Pinus clausa] scrub along road.
Reproductive State:Flower
Collector:B. F. Hansen 9899
  with R.P. Wunderlin, G. Robinson
Date:31 May 1984
Accession No:178079
Image:178079.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Polk Co.: Avon Park Air Force Range. Ca. 0.2 mi. E of Hard Luck Road at a point 0.65 mi. S of Roberts Road. T32S, R31E, Sec. 36, SE¼ of NW¼ of SW¼. 28º 2’ 13” N -82º -10’ -6” W
Habitat:Calcareous prairie ecotone.
Reproductive State:Flower
Collector:C. vanHoek 911
  with B. Wargo
Date:25 Apr 1997
Accession No:251843
Image:251843.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Volusia Co.: Tomoka State Park. At the park administration building; ca. 1.6 km SSE of the Old Dixie Highway bridge at the Tomoka River. 29º 19’ 40” N 81º 4’ 44” W
Habitat:Ruderal area near buildings.
Reproductive State:Flower
Collector:J. M. Kunzer 1434
Date:14 Mar 2006
Accession No:253697
Image:253697.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. DeSoto Co.: Deep Creek Preserve. 3.5 km E of the Sarasota County line, 3 km N of the Charlotte County line, 140 m S of SW Peace River Street. 26º 55’ 0” N -81º -55’ 0” W
Habitat:Drainage ditch in old pasture.
Reproductive State:Flower, Fruit
Collector:A. R. Franck 1833
Date:29 Mar 2010
Accession No:253767
Image:253767.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Dixie Co.: Along C-357, ca. 0.5 mi. N of its junction with C-358, ca. 2 mi. S of Hines. T9S, R11E, Sec. 8, NE¼ of SW¼. 29º 43’ 59” N -83º -13’ -59” W
Habitat:Roadside in wet flatwoods.
Reproductive State:Flower
Collector:B. F. Hansen 13385
  with J. Hansen
Date:18 Sep 2008
Accession No:255050
Image:255050.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: K. M. Meyer, 2007
Locality:USA. Florida. Liberty Co.: Apalachicola National Forest. Apalachicola Ranger District; 1.9 mi. E on Forest Service Road 13, off FL 65. 30º 8’ 34” N 84º 56’ 20” W
Description:Head with spines on involucre bracts; sap white. 
Habitat:Pine forest.
Reproductive State:Flower, Fruit
Elevation:21 m
Collector:K. M. Meyer 58
  with A. Townesmith
Date:09 May 2007
Accession No:257295
Image:257295.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Martin Co.: Jonathan Dickinson State Park. Stables area.
Habitat:Wet flatwoods.
Reproductive State:Flower
Collector:R. O. Woodbury s.n.
  with R. Roberts
Date:Mar 1988
Accession No:260414
Image:260414.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Seminole Co.: Country Club Lane near its intersection with North Ronald Reagan Boulevard (C-427). 28º 43’ 41” N 81º 19’ 19” W
Habitat:Mowed turf at roadside.
Reproductive State:Flower
Collector:D. H. Williams 3021
Date:22 Mar 2012
Accession No:264631
Image:264631.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Hendry Co.: Okaloacoochee Slough State Forest. Off Oil Well Pad Road, 0.6 km N of C-832, 8.5 km E of FL 29. 26º 36’ 29” N 81º 21’ 3” W
Habitat:Hammock along slough marsh.
Reproductive State:Flower, Fruit
Collector:A. R. Franck 3233
Date:07 Apr 2013
Accession No:268093
Image:268093.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Orange Co.: Mile marker 29.5 on FL 528, E of Orlando. 28º 27’ 10” N 81º 0’ 10” W
Habitat:Disturbed roadside.
Reproductive State:Flower, Fruit
Collector:S. Myers 941
Date:24 Apr 2013
Accession No:268753
Image:268753.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Jefferson Co.: C-257, ca. 5 km S of Lamont, ca. 75 m N of Walker Spring Road. 30º 18’ 57” N 83º 50’ 0” W
Habitat:Rough, maintained turf at roadside.
Reproductive State:Flower
Collector:D. H. Williams 3658
  with H.L. Williams
Date:11 May 2013
Accession No:269337
Image:269337.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: B. F. Hansen, Aug 2013
Locality:USA. Florida. Franklin Co.: Apalachicola National Forest. FL 65. 29º 55’ 28” N 84º 58’ 38” W
Habitat:Grassy roadside.
Reproductive State:Flower
Collector:S. Myers 986
Date:24 May 2013
Accession No:269744
Image:269744.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Nassau Co.: FL 200/A1A (Buccaneer Trail), E of its junction with I-95, Town of Yulee. 30º 37’ 13” N 81º 38’ 52” W
Habitat:Edge of woods along roadside.
Reproductive State:Flower
Collector:W. D. Longbottom 18496
Date:27 Feb 2013
Accession No:269827
Image:269827.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Osceola Co.: Kissimmee Park Road, N of Clay Whaley Road, St. Cloud. 28º 13’ 5” N 81º 19’ 3” W
Habitat:Roadside weed.
Reproductive State:Flower
Collector:S. Myers 954
Date:11 May 2013
Accession No:269912
Image:269912.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
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
Description:Flower purple. 
Habitat:Open, disturbed field.
Reproductive State:Flower
Collector:J. Cheak 48
Date:20 Aug 2012
Accession No:270163
Image:270163.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Charlotte Co.: Along FL 74 [now C-74]. T40S, R?E, Sec. 32.
Reproductive State:Fruit
Notes:From Eckerd College Herbarium.
Collector:D. E. Anderson 1495
Date:28 Jan 1961
Accession No:274226
Image:274226.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Broward Co.: FL 84, W part of the county. 26º 11’ 24” N -80º -21’ -57” W
Description:Common. 
Habitat:Road shoulder, in sand.
Reproductive State:Flower, Fruit
Notes:From Eckerd College Herbarium.
Collector:A. M. Wooten s.n.
Date:15 Jan 1978
Accession No:274223
Image:274223.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Pinellas Co.: FL 580, 10 mi. N of Clearwater. 27º 59’ 5” N -82º -52’ -10” W
Habitat:Pineland along roadside; dry, sandy soil.
Reproductive State:Flower, Fruit
Notes:From Eckerd College Herbarium.
Collector:M. R. Blake s.n.
Date:16 Apr 1975
Accession No:274224
Image:274224.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - 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’ 1” N 82º 16’ 5” W
Description:Infrequent herb; corollas and styles purple. 
Habitat:Mesic flatwoods.
Reproductive State:Flower
Elevation:5 to 7 m
Collector:L. B. Birch 512
  with B.K. Holst
Date:06 May 2010
Accession No:275254
Image:275254.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Miami-Dade Co.: Homestead Air Force Base; 5 mi. S of Blackhawk Headquarters, then 3 mi. E. 25º 28’ 7” N -80º -28’ -39” W
Description:30-40 dm tall; leaf segments with spines; corolla purple; anther shorter than filaments. 
Habitat:Canal edge.
Reproductive State:Flower
Collector:J. C. Gaitan 39
Date:1966
Accession No:290559
Image:290559.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:Bahamas. Great Abaco Island. Central Abaco Distr.: Along main road, 2.9 mi. S of Wilson City road.
Habitat:Moist, man-made prairie, with wet depressions.
Reproductive State:Flower
Collector:R. P. Wunderlin 8536
  with D. S. Correll, R. P. Sauleda, & B. F. Hansen
Date:16 Dec 1979
Accession No:144389
Image:144389.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: L. C. Noel, 01 May 2017
Determination History: Cirsium horridulum Michx. var. vittatum (Small) R. W. Long - Determined By: D. J. Keil, 1997
Cirsium smallii (Britton)
Locality:Bahamas. Grand Bahama Island. City of Freeport Distr.: Freeport; along Queens Highway. 26º 31’ 26” N -78º -41’ -57” W
Reproductive State:Flower
Collector:R. Vagner s.n.
  with et al.
Date:25 Feb 1967
Accession No:79731
Image:79731.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Hillsborough Co.: Lake Dan Nature Preserve; 1.5 km S of the Pasco County line, 4 km E of the Pinellas County line, 1.7 km N of FL 582, Odessa. 28º 9’ 34” N 82º 36’ 36” W
Habitat:Fenceline.
Reproductive State:Flower
Collector:A. Farid 274
  with S. Bowman
Date:04 Apr 2016
Accession No:290985
Image:290985.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Collier Co.: Along access road to the Jetport.
Habitat:Roadside weed.
Reproductive State:Fertile
Collector:M. J. Andrejko 205
Date:30 Apr 1972
Accession No:295170
Image:295170.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Hillsborough Co.: Cypress Creek Preserve; near service road. 28º 8’ 16” N 82º 23’ 12” W
Habitat:Flatwoods.
Reproductive State:Flower
Collector:J. R. Campbell 690
Date:17 Apr 2017
Accession No:295360
Image:295360.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Miami-Dade Co.: S from Loop Road, 4 mi. W of Pinecrest. 25º 40’ 1” N -80º -18’ -29” W
Description:Basal rosette of leaves 1.5 ft. long; inflorescence 3 ft. tall; flowers in heads of lavender. 
Habitat:Edge of gravel road, sandy soil, partial shade, pine association.
Reproductive State:Fruit
Collector:E. A. Skinner s.n.
Date:08 Dec 1967
Accession No:295541
Image:295541.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Determination History: Carduus spinosissimus Walter
Locality:US. Louisiana. Ouachita Par.: .25 mi. E of LA 546 beside US 80.
Reproductive State:Flower
Collector:L. Adams 131
Date:29 Apr 1968
Accession No:86861
Image:86861.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Mississippi. Pike Co.: 5 mi. N of McComb.
Description:Several plants found. 
Habitat:Pine-mixed-hardwood thicket.
Reproductive State:Flower
Collector:J. D. Ray, Jr. 7797
Date:21 Mar 1957
Accession No:17682
Image:17682.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Louisiana. Cameron Par.: Along La 717 ca. 0.3 mi. S of Vermillion Parish line just beyond first bend in road. T12S, R3W, Sec. 6.
Reproductive State:Flower
Collector:D. D. Taylor 2623
  with D. C. Moore
Date:25 Mar 1983
Accession No:209825
Image:209825.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Alabama. Escambia Co.: Ca. 2.5 mi. W of Flomaton, along the N side of US 31. Sec. 30, NW¼.
Habitat:Dry roadside.
Reproductive State:Flower
Collector:G. Wilhelm 10122
Date:30 May 1982
Accession No:174438
Image:174438.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: G. B. Ownbey, 1973
Determination History: Carduus spinosissimus Walter
Locality:USA. North Carolina. Orange Co.: On Route 15-501, S 10 mi. from Chapel Hill.
Habitat:Roadside next to pasture.
Reproductive State:Flower
Collector:R. A. Grenoble s.n.
Date:09 May 1971
Accession No:111739
Image:111739.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. North Carolina. Harnett Co.: 1.4 mi. S of Bunnlevel.
Habitat:Sandy roadside.
Reproductive State:Flower
Notes: Sheet 1.
Collector:H. Laing 1102
Date:01 May 1957
Accession No:14833
Image:14833.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. North Carolina. Harnett Co.: 1.4 mi. S of Bunnlevel.
Habitat:Sandy roadside.
Reproductive State:Flower
Notes:Sheet 2.
Collector:H. Laing 1102
Date:01 May 1957
Accession No:14834
Image:14834.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Georgia. Mitchell Co.: Highway GA 113, 0.5 mi. N of GA 65.
Reproductive State:Flower
Collector:N. L. Mawhinney s.n.
Date:13 Apr 1985
Accession No:185531
Image:185531.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Mississippi. Pike Co.: 1 mi. E of Chatawa.
Habitat:At margin of swamp.
Reproductive State:Flower
Collector:J. D. Ray, Jr. 7857
Date:22 Mar 1957
Accession No:17418
Image:17418.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:usa. Mississippi. Oktibbeha Co.: 8 mi. W of Starkville.
Description:Flowers creamy white; plants .5 to 1.5 m tall; locally abundant. 
Habitat:On prairie roadside.
Reproductive State:Flower
Collector:J. D. Ray, Jr. 8040
Date:07 May 1957
Accession No:17449
Image:17449.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Mississippi. Forrest Co.: Just W of Perry-Forrest county line, SE of Hattiesburg.
Habitat:Rich, moist, deciduous wooded slopes in Longleaf pineland.
Reproductive State:Flower
Collector:J. D. Ray, Jr. 6078
Date:14 Apr 1952
Accession No:17838
Image:17838.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. South Carolina. Richland Co.: Old Hopkins Road next to railroad tracks, downtown Hopkins. 33º 54’ 21” N 80º 52’ 36” E
Description:Corollas deep ruby-burgandy; several patches more or less congested together. 
Habitat:In full sun along ditch margin.
Reproductive State:Flower
Collector:J. B. Nelson 33951
  with K. Bradley
Date:10 Sep 2015
Accession No:281398
Image:281398.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Georgia. Camden Co.: Near Satilla River.
Description:Basal rosettes 14 in. to 40 in. on nearby plants; purple. 
Habitat:Bank of highway; disturbed ground.
Reproductive State:Flower
Collector:G. R. Cooley 1009
Date:22 Feb 1952
Accession No:4169
Image:4169.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Osceola Co.: US 441 (Holopaw Road) at Lincoln Road. 28º 7’ 39” N 81º 4’ 32” W
Habitat:Roadside ditch.
Reproductive State:Flower
Collector:W. D. Longbottom 22250
  with D.H. Williams
Date:19 Mar 2015
Accession No:297512
Image:297512.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: C. vanHoek, 2018
Determination History: Cirsium horridulum Michx.
Locality:USA. Florida. Monroe Co.: Big Pine Key.
Habitat:Disturbed pineland.
Reproductive State:Flower
Collector:M. L. Gilbert s.n.
Date:15 Jul 1972
Accession No:297018
Image:297018.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: C. vanHoek, 2018
Determination History: Cirsium horridulum Michx.
Locality:USA. Florida. Hillsborough Co.: N of Plant City.
Habitat:Roadside.
Reproductive State:Fruit
Collector:M. Simon s.n.
Date:22 Apr 1961
Accession No:297016
Image:297016.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Indian River Co.: Indian River County Public Shooting Range, 102nd Terrace off C-512, between Sebastian and Fellsmere. 27º 46’ 56” N 80º 32’ 30” W
Habitat:Pine flatwoods.
Reproductive State:Flower
Collector:S. Myers 1917
Date:07 Apr 2017
Accession No:299509
Image:299509.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: C. vanHoek, 2019
Determination History: Cirsium horridulum Michx.
Locality:USA. Florida. Volusia Co.: Daytona.
Habitat:Waste places.
Reproductive State:Fruit
Collector:M. Mulvania s.n.
Date:01 Oct 1929
Accession No:287133
Image:287133.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: C. vanHoek, 2018
Locality:USA. Florida. Polk Co.: Kissengen Spring.
Habitat:Edge of oak - hickory.
Reproductive State:Fruit
Collector:C. F. Caudle 1767
  with M. L. Gilbert, M. S. Tisdale
Date:30 May 1962
Accession No:303781
Image:303781.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Palm Beach Co.: Cypress Creek Natural Area. 26º 56’ 49” N 80º 11’ 6” W
Description:2 plants seen; flowers pink. 
Habitat:Wet mesic, by water.
Reproductive State:Flower, Fruit
Collector:C. J. McCartney s.n.
  with C.B. Finch
Date:20 Dec 2023
Accession No:306280
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum (Small) Small
Locality:USA. Florida. Miami-Dade Co.: Everglades National Park. Near Homestead. 25º 57’ 17” N -80º -44’ -40” W
Description:Basal leaves only. 
Habitat:Miami oolite and solution holes; hammock and pineland association.
Collector:G. R. Cooley 9419
  with R.J. Eaton, F.C. Craighead, O. Lakela
Date:16 Oct 1962
Accession No:54468
Image:54468.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Pinellas Co.: Honeymoon Island State Park. Near parking lots. T28S, R15E, Sec. 8.
Description:Locally abundant. 
Habitat:Ruderal/coastal strand.
Reproductive State:Flower
Collector:S.W. Braem HI0152
Date:29 Jul 2003
Accession No:248720
Image:248720.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum (Small) Small
Locality:USA. Florida. Collier Co.: Corkscrew Swamp Sanctuary. 26º 28’ 0” N -81º -33’ 0” W
Description:Flowers white. 
Habitat:Sand, dry.
Reproductive State:Fruit
Collector:P. Genelle 534
  with G. Fleming
Date:23 Mar 1971
Accession No:94645
Image:94645.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum (Small) Small
Locality:USA. Florida. Monroe Co.: Pinecrest Road. 25º 43’ 59” N -80º -55’ -59” W
Habitat:Ditch banks bordering hammock and glade areas.
Reproductive State:Flower
Collector:O. K. Lakela 30675
  with F. Almeda
Date:13 Feb 1967
Accession No:79451
Image:79451.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Monroe Co.: Big Pine Key; along E-W street running along N side of prison, 0.5 mi. N of US 1. T66S, R29E, Sec. 26, NW¼.
Habitat:Thrinax morrisii - Pinus elliottii open woodland along weedy roadside, grading into mangroves on W end.
Reproductive State:Flower
Collector:B. F. Hansen 11419
  with D.R. Richardson
Date:18 Aug 1987
Accession No:193074
Image:193074.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Lee Co.: North Fort Myers; Tamiami Village, N of RV section. 25º 45’ 31” N -80º -23’ -54” W
Habitat:Open woods.
Reproductive State:Flower
Collector:E. Brown s.n.
Date:12 Jun 1983
Accession No:186945
Image:186945.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Flagler Co.: 1.8 mi. N of Codys Corne along E side of FL 11. T13S, R30E, Sec. 18, NW¼ of SE¼.
Habitat:Pine flatwoods and roadside.
Reproductive State:Flower, Fruit
Collector:B. F. Hansen 9670
  with J. Hansen
Date:27 Sep 1983
Accession No:173937
Image:173937.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Citrus Co.: FL 44 W.
Habitat:Sandy roadside.
Reproductive State:Flower
Collector:M. E. Schmid A-135
Date:23 Mar 1983
Accession No:172418
Image:172418.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Walton Co.: Along the E side of FL 285, ca. 6 mi. SW of Mossy Head, 1.7 mi. N of the intersection with FL 280.
Reproductive State:Flower, Fruit
Collector:G. Wilhelm 11340
Date:15 May 1983
Accession No:172817
Image:172817.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Escambia Co.: Just W of Pensacola, along US 98 near its intersection with 72nd Avenue. T2S, R31W, Sec. 21, N½. 30º 24’ 33” N -87º -12’ -51” W
Reproductive State:Flower
Collector:G. Wilhelm 11429
Date:17 May 1983
Accession No:172432
Image:172432.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum Small
Locality:USA. Florida. Volusia Co.: Ca. 4 mi. E of the FL 40 and FL 415 intersection near Samsula. 29º 1’ 0” N -81º -3’ 0” W
Description:Florets dark lavender; filaments shorter than anthers. 
Habitat:Longleaf pine [Pinus palustris] flatwood with planted slash pine [Pinus elliottii], Serenoa repens, Ilex glabra, Myrica, Aristida.
Reproductive State:Flower
Collector:J. D. Ray, Jr. 10860
  with C.E. Wood, C.E. Smith, R.J. Eaton
Date:27 Apr 1961
Accession No:45257
Image:45257.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium smallii Britton
Locality:USA. Florida. Monroe Co.: Big Pine Key.
Description:Radical leaves common, without flowering stems. Common
Habitat:Flat pinelands.
Reproductive State:Flower, Fruit
Collector:O. K. Lakela 27897
Date:13 Nov 1964
Accession No:61697
Image:61697.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium smallii Britton
Locality:USA. Florida. Sarasota Co.: 6.2 mi. S of Venice, US 41. 27º 5’ 59” N -82º -27’ -15” W
Description:Plants smaller in stature than other collections of this alliance, later flowering individuals collected; leaves and stems glabrescent; corollas dark purple to pale lavender; filaments about equal to the anthers in length. Abundant
Habitat:Deep sandy soil, road ditch.
Reproductive State:Flower, Fruit
Collector:G. B. Ownbey 1369
  with F. Ownbey
Date:01 Jul 1950
Accession No:85150
Image:85150.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum Small
Locality:USA. Florida. Monroe Co.: Big Pine Key; Watson's Hammock and surrounding pineland. 26º 39’ 38” N -82º -9’ -12” W
Reproductive State:Fruit
Collector:R. W. Long 2099
  with G.N. Avery, J. De Boer, R. Hebert, G. Mills
Date:06 Aug 1966
Accession No:75733
Image:75733.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum Small - Determined By: H. E. Ahles, 1960
Cirsium horridulum Michx.
Locality:USA. Florida. Levy Co.: Lebanon Station. T15S, R16E, Sec. 13. 29º 6’ 7” N -82º -37’ -53” W
Description:Stem purple, 1.25-1.5 m tall, branched from upper middle to upper third; flowers light reddish purple, Munsell hue 10P 6/9. 
Habitat:Slough.
Reproductive State:Flower
Collector:G. R. Cooley 7147
  with R.J. Eaton, J.D. Ray, Jr.
Date:22 Sep 1959
Accession No:15956
Image:15956.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum Small
Locality:USA. Florida. Miami-Dade Co.: Everglades National Park. SW of Homestead, FL 29. 25º 57’ 17” N -80º -44’ -40” W
Habitat:Outcrops of oolite.
Reproductive State:Flower, Immature Fruit
Collector:O. K. Lakela 25720
Date:30 Mar 1963
Accession No:55612
Image:55612.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum Small
Locality:USA. Florida. Miami-Dade Co.: Everglades National Park. Between Pa-hay-okee Hammock and Pineland Trail. 25º 57’ 17” N -80º -44’ -40” W
Reproductive State:Flower, Fruit
Collector:R. W. Long 2873
  with H. Andorfer
Date:13 Apr 1969
Accession No:85874
Image:85874.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium smallii Britton
Locality:USA. Florida. Pasco Co.: Junction of US 19 and FL 52.
Description:Stems not densely pubescent; anthers longer than filaments. 
Habitat:Cleared roadside, largely of white sand.
Reproductive State:Flower
Collector:O. K. Lakela 26015
Date:23 May 1963
Accession No:55285
Image:55285.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Sarasota Co.: Little Salt Spring, North Port. T39S, R21E, Sec. 20, NW¼.
Habitat:Peat bog.
Reproductive State:Fruit
Collector:J. Brown 538
  with A.N. Arcuri
Date:07 Jun 1977
Accession No:128478
Image:128478.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Monroe Co.: Big Pine Key; Along FL 940, 1.8 mi. NW of US 1. T66S, R29E, Sec. 22, NE¼.
Description:Flowers purple. 
Habitat:Pineland.
Reproductive State:Flower
Collector:R. P. Sauleda 7056
  with D.K. Sauleda
Date:14 Mar 1982
Accession No:164287
Image:164287.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Pinellas Co.: E of Safety Harbor Fire Station #2, FL 611 (593); Magnolia Creek. 30º 0’ 0” N -81º -40’ -59” W
Habitat:Field and meadow.
Reproductive State:Flower
Collector:G. Fleming 4017
Date:22 Apr 1988
Accession No:195991
Image:195991.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Dixie Co.: 2 mi. N of Cross City along US 19/27/98.
Habitat:Seasonally flooded ditch.
Reproductive State:Flower
Notes:Sheet 1 of 2.
Collector:J.M. Carlton s.n.
Date:12 Sep 1977
Accession No:162624
Image:162624.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Dixie Co.: 2 mi. N of Cross City along US 19/27/98.
Habitat:Seasonally flooded ditch.
Reproductive State:Flower
Notes:Sheet 2 of 2.
Collector:J.M. Carlton s.n.
Date:12 Sep 1977
Accession No:201322
Image:201322.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Lake Co.: Astor Park. 29º 9’ 44” N -81º -31’ -31” W
Description:Rays lavender. 
Habitat:Roadside ditch.
Reproductive State:Flower
Collector:R. F. Daubenmire s.n.
  with J. Daubenmire
Date:10 Sep 1978
Accession No:179367
Image:179367.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: B. F. Hansen, Oct 2009
Determination History: Cirsium horridulum Michx. fm. elliottii (Torr. & A. Gray) Fernald
Locality:USA. Florida. Lee Co.: Sanibel Island. 26º 26’ 56” N -82º -1’ -20” W
Description:Plants 1.5 m tall, stem hollow; flowers lavender. 
Habitat:Disturbed shell sand.
Reproductive State:Flower
Collector:G. R. Cooley 11930
Date:09 Jan 1967
Accession No:79920
Image:79920.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Sarasota Co.: S end of Longboat Key, Sarasota. 27º 19’ 35” N -82º -44’ -36” W
Description:Florets white. 
Habitat:Beach hammock overlooking gulf; Agave - Juniperus - Sabal - Yucca association.
Reproductive State:Flower
Notes:Sheet 1 of 2.
Collector:O. K. Lakela 28142
  with R.W. Long
Date:10 Feb 1965
Accession No:62746
Image:62746.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Sarasota Co.: S end of Longboat Key, Sarasota. 27º 19’ 35” N -82º -44’ -36” W
Description:Florets purple. 
Habitat:Beach hammock overlooking gulf; Agave - Juniperus - Sabal - Yucca association.
Reproductive State:Flower
Notes:Sheet 2 of 2.
Collector:O. K. Lakela 28142
  with R.W. Long
Date:10 Feb 1965
Accession No:62748
Image:62748.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Pasco Co.: Starkey Wilderness Park. 2.5 mi. NNW of Odessa. T26S, R17E, Sec. 4, SE¼ of SE¼. 28º 11’ 38” N -82º -35’ -30” W
Habitat:Mesic flatwoods.
Reproductive State:Flower
Collector:E. M. Ferguson 691
  with J.M. Kunzer
Date:16 Apr 2004
Accession No:250838
Image:250838.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Manatee Co.: Wingate Creek State Park. Burn zone 2A. T35S, R22E, Sec. 7.
Description:Forb up to 1 m tall. Occasional
Habitat:Disturbed area.
Reproductive State:Flower
Collector:J. Weber WC0054
Date:11 Apr 1991
Accession No:206211
Image:206211.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Hillsborough Co.: Little Manatee River State Recreation Area. S loop of North Hiking Trail. T32S, R19E, Sec. 25, SE¼ of NE¼ of NE¼ of NE¼. 27º 28’ 59” N -82º -10’ -59” W
Description:Erect composite to 75 cm high. Occasional
Habitat:Ruderal area.
Reproductive State:Flower
Collector:S. Cole LR1049
Date:09 Apr 1994
Accession No:217861
Image:217861.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum Small
Locality:USA. Florida. Hillsborough Co.: Egmont Key.
Habitat:Coastal strand; secondary vegetation with Sabal.
Reproductive State:Bud
Collector:R. W. Long 2899
  with D. Burch, H. Andorfer, L. Pardue
Date:08 Apr 1969
Accession No:251175
Image:251175.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum Small
Locality:USA. Florida. Monroe Co.: Pinecrest Road. 25º 43’ 59” N -80º -55’ -59” W
Habitat:Prairie at abandoned road.
Reproductive State:Flower
Collector:G. R. Cooley 1108
Date:01 Mar 1952
Accession No:4550
Image:4550.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Citrus Co.: Fort Cooper State Park. Near dumpster. T19S, R20E, Sec. 27, NW¼ of SE¼ of SW¼.
Habitat:Ruderal.
Reproductive State:Flower, Fruit
Collector:R. A. Hattaway FC0263
Date:13 Jun 2001
Accession No:235481
Image:235481.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium smallii Britton
Locality:USA. Florida. Hillsborough Co.: 2.5 mi. NW of Trout Creek off Road to Nowhere [Bruce B. Downs Boulevard].
Habitat:Seasonally wet pineland and palmetto [Serenoa repens].
Reproductive State:Flower, Fruit
Collector:O. K. Lakela 27156
  with A. Burdette
Date:17 Apr 1964
Accession No:60665
Image:60665.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Clay Co.: Ca. 3.5 mi. ENE of the junction of FL 100 and FL 21, ca. 0.25 mi. SSE of Silver Sand Lake (Ten Mile Pond), N side of Overlook Terrace, E of Silver Sands Lake Drive. T3S, R23E, Sec. 14, SW¼. 27º 55’ 34” N -82º -30’ -53” W
Description:Spiny, robust herb to 80 cm. Rare
Habitat:Near unpaved roadside at edge of relatively undisturbed sandhill with interrupted (discontinued) fire cycle; sporadic residences nearby.
Reproductive State:Flower
Collector:J. M. Kunzer 521
Date:10 Apr 2004
Accession No:238561
Image:238561.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Volusia Co.: Heart Island Conservation Area, 1 mi. S of Barberville and FL 40, ca. 13 mi. N of DeLand. T15S, R29E, Sec. 21. 29º 10’ 59” N -81º -25’ 0” W
Habitat:Grassy seepage areas between detch and wet pine flatwoods.
Reproductive State:Flower
Collector:C. Slaughter 13004
Date:26 Apr 2002
Accession No:236135
Image:236135.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum Small - Determined By: O. K. Lakela
Cirsium horridulum Michx. fm. elliottii (Torr. & A. Gray) Fernald
Locality:USA. Florida. Lee Co.: Sanibel Island. 26º 26’ 56” N -82º -1’ -20” W
Description:Flowers purple, some few specimens almost white. 
Habitat:Prairies and uplands.
Reproductive State:Flower, Fruit
Collector:G. R. Cooley 2507
Date:18 Feb 1954
Accession No:101337
Image:101337.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Hernando Co.: FL 50.
Habitat:Damp ditch.
Reproductive State:Flower
Collector:P. Genelle 3150
  with G. Fleming
Date:14 Mar 1978
Accession No:131743
Image:131743.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Charlotte Co.: Don Pedro Island State Recreation Area. Land Base, S side of road. T42S, R20E, Sec. 3. 28º 58’ 0” N -82º -7’ 0” W
Description:[Top] taken from large rosette. 
Habitat:Ruderal.
Reproductive State:Flower, Fruit
Collector:S.W. Braem DP0137
Date:20 Mar 2000
Accession No:232411
Image:232411.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Lee Co.: North Captiva Island. 26º 31’ 19” N -82º -11’ -21” W
Description:Flowers purple. 
Habitat:Savanna.
Reproductive State:Flower, Fruit
Collector:S. Morrill 42
  with J. Harvey
Date:24 Mar 1978
Accession No:141143
Image:141143.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Polk Co.: Avon Park Bombing Range; ca. 150 m S of N range boundary and ca. 150 m W of Frostproof Road. T32S, R29E, Sec. 4. 27º 44’ 45” N -81º -31’ -50” W
Habitat:Oak - cypress [Taxodium] area.
Reproductive State:Fruit
Collector:D. R. Lindsey 436
  with S. Upchurch
Date:08 May 1981
Accession No:168758
Image:168758.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Determination History: Cirsium vittatum Small
Locality:USA. Florida. Collier Co.: Corkscrew Swamp Sanctuary. 26º 28’ 0” N -81º -33’ 0” W
Description:Flowers purple. 
Habitat:Sand, dry.
Reproductive State:Flower
Collector:P. Genelle 535
  with G. Fleming
Date:23 Mar 1971
Accession No:94640
Image:94640.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum Small
Locality:USA. Florida. Monroe Co.: East Cape, Cape Sable, on Florida Bay. 28º 0’ 0” N -82º 0’ 0” W
Habitat:Sandy beach; cover of grasses and succulents; with papaya [Carica papaya], Forestiera, Bumelia [Sideroxylon], Eugenia, Piscidia, Agave, and Yucca.
Reproductive State:Flower
Collector:O. K. Lakela 28574
  with R.W. Long
Date:07 May 1965
Accession No:64216
Image:64216.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Highlands Co.: Avon Park Air Force Bombing Range; W side of Old Bravo Road, 2 km N of its junction with Kissimmee Road. T33S, R31E, Sec. 6. 28º 17’ 27” N -81º -24’ -25” W
Habitat:Between road and cut-over flatwoods.
Reproductive State:Fruit
Collector:P. W. Brunn 44
Date:08 Mar 1981
Accession No:169676
Image:169676.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Lee Co.: Cayo-Costa Island.
Habitat:Coastal strand.
Reproductive State:Flower
Collector:S. Young 567
  with S. Herwitz
Date:09 Apr 1991
Accession No:206252
Image:206252.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Citrus Co.: Near Hall River, FL 490A.
Habitat:Open field.
Reproductive State:Flower
Collector:P. Genelle 1213
  with G. Fleming
Date:22 Mar 1972
Accession No:100971
Image:100971.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Polk Co.: Close to Lakeland city limits on US 92. 28º 2’ 22” N -81º -56’ -59” W
Description:Rosettes frequent; young plant ca. 6 dm high, stem fistulose. 
Habitat:Roadside scrub.
Reproductive State:Flower
Collector:O. K. Lakela 23841
Date:12 Mar 1961
Accession No:24687
Image:24687.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Hillsborough Co.: Near Hillsborough [River] State Park. 27º 55’ 0” N -82º -21’ 0” W
Description:Flowers purple. 
Reproductive State:Flower
Collector:G. R. Cooley 5868
  with R.J. Eaton
Date:31 Mar 1958
Accession No:6421
Image:6421.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Pasco Co.: Werner-Boyce Salt Springs State Park. Behind Sundance Retirement Village, ca. 0.5 mi. W of US 19, ca. 0.5 mi. S of FL 52. T25S, R16E, Sec. 9. 27º 38’ 58” N -82º -24’ -27” W
Habitat:Disturbed flatwoods.
Reproductive State:Flower
Collector:C. vanHoek WB0311
Date:29 Mar 2003
Accession No:247815
Image:247815.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
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:Edge of hammock.
Reproductive State:Flower
Collector:A. R. Franck 234
Date:11 May 2007
Accession No:246240
Image:246240.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Sarasota Co.: Oscar Scherer State Park. T38S, R18E, Sec. 13, SE¼ of NE¼ of SW¼.
Habitat:Mesic flatwoods.
Reproductive State:Flower, Fruit
Collector:D. B. Griffin OS0576
Date:08 Mar 2007
Accession No:246121
Image:246121.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Baker Co.: C-228, 2.5 mi. SE of I-10 and Macclenny and 5.5 mi. NW of US 301 and Maxville. T3S, R22E, Sec. 14. 30º 16’ 55” N -82º -7’ -19” W
Habitat:Wet ditch between highway and pine flatwoods.
Reproductive State:Flower
Collector:C. Slaughter 15417
Date:17 Apr 2007
Accession No:244730
Image:244730.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: S. F. Blake
Determination History: Cirsium horridulum Michx.
Locality:USA. Florida. Broward Co.: Junction of US 27 and FL 820 (road to Hollywood). 26º 0’ 40” N -80º -8’ -58” W
Description:Flowers violet. 
Reproductive State:Flower
Notes:Sheet 1 of 2.
Collector:W. C. Sturtevant 2
Date:09 Mar 1959
Accession No:82111
Image:82111.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: S. F. Blake
Locality:USA. Florida. Broward Co.: Junction of US 27 and FL 820 (road to Hollywood). 26º 0’ 40” N -80º -8’ -58” W
Description:Flowers violet. 
Notes:Sheet 2 of 2.
Collector:W. C. Sturtevant 2
Date:09 Mar 1959
Accession No:82112
Image:82112.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Hillsborough Co.: Hillsborough [River] State Park. 27º 55’ 0” N -82º -21’ 0” W
Description:Very common in Mar-Apr. 
Habitat:Roadside.
Reproductive State:Flower
Collector:R. Overstreet 32
Date:20 Mar 1963
Accession No:88984
Image:88984.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Miami-Dade Co.: Everglades National Park. SW of Homestead. 25º 57’ 17” N -80º -44’ -40” W
Description:Anther connective 1.2 mm long. Common
Reproductive State:Flower
Collector:O. K. Lakela 25736
  with F.C. Craighead
Date:30 Mar 1963
Accession No:55602
Image:55602.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Monroe Co.: Loop Road, FL 94.
Reproductive State:Flower
Collector:R. W. Long 3055
  with H. Andorfer, M. Meagher, L. Brown
Date:28 Feb 1970
Accession No:122658
Image:122658.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Pinellas Co.: Honeymoon Island, Little Bayou. T28S, R15E, Sec. 8.
Description:Flowers white or pink. 
Habitat:Roadside sand.
Reproductive State:Flower
Collector:G. Fleming 3343
Date:17 Mar 1980
Accession No:145345
Image:145345.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1981
Determination History: Cirsium vittatum Small
Locality:USA. Florida. Monroe Co.: Big Pine Key; Pine Heights subdivision, along Key Deer Boulevard.
Description:Flowers [plants] up to 5 dm tall; heads spiny. 
Habitat:Roadside.
Reproductive State:Flower
Collector:W. C. Brumbach 9686
Date:19 Apr 1981
Accession No:158066
Image:158066.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Pinellas Co.: Caladesi Island State Park. Burn zone CI-9 NE, near picnic pavilions. T28S, R15E, Sec. 20, NW¼ of NW¼ of SW¼ of SE¼. 27º 45’ 0” N -82º -7’ -59” W
Description:Erect forb to 1 m high. Occasional
Habitat:Coastal strand.
Reproductive State:Flower, Fruit
Collector:S. Cole CI0011
  with J. Miller
Date:08 Apr 1994
Accession No:212645
Image:212645.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Manatee Co.: Wingate Creek State Park. Burn zon 2A. T35S, R22E, Sec. 7.
Description:Forb up to 1 m tall. Occasional
Habitat:Disturbed area.
Reproductive State:Flower, Fruit
Collector:J. Weber WC0054
Date:11 Apr 1991
Accession No:212774
Image:212774.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Hillsborough Co.: Hillsborough River State Park. Burn zone HR-1 N; along roadside on SW section of Park Drive loop. T27S, R21E, Sec. 8, NW¼ of SE¼ of SW¼. 27º 55’ 0” N -82º -21’ 0” W
Description:Erect composite to 1.25 m high. Occasional
Habitat:Upland mixed forest.
Reproductive State:Flower
Collector:S. Cole HR0034
  with D. Hoyle
Date:30 Apr 1994
Accession No:212793
Image:212793.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum Small
Locality:USA. Florida. Collier Co.: Big Cypress, Fakahatchee, S of Miles City. 25º 52’ 6” N -81º -29’ -21” W
Habitat:Glade and cypress [Taxodium] margin.
Reproductive State:Flower
Collector:O. K. Lakela 28197
  with R.W. Long
Date:06 Mar 1965
Accession No:63914
Image:63914.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum Small
Locality:USA. Florida. Collier Co.: Off US 41, W of Monroe Station. 25º 19’ 59” N -81º 0’ 0” W
Habitat:Shady moist ground of hammock margin.
Reproductive State:Flower
Collector:O. K. Lakela 26905
Date:13 Mar 1964
Accession No:58372
Image:58372.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Calhoun Co.: Blountstown; Myers Cairy road, 0.6 mi. N of Abe Springs Road. 30º 23’ 57” N 85º 7’ 41” W
Description:Erect herb to 1 m, extreme spines; flowers pale yellow. Common
Habitat:Disturbed, weedy, grassy 35 acre field.
Reproductive State:Flower
Collector:T. MacClendon 595
  with K. MacClendon
Date:09 Apr 2007
Accession No:244003
Image:244003.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium vittatum Small
Locality:USA. Florida. Pinellas Co.: Ca. 4.25 mi. E of Mecca at the FL 229 and FL 79 intersection. 28º 1’ 0” N -82º -43’ -59” W
Description:One plant collected. 
Habitat:Low, seasonally moist longleaf pine [Pinus palustris] - saw palmetto [Serenoa repens] flatwood roadside, grassy ditch; Baccharis halimifolia, Lyonia ferruginea, and Bejaria common.
Reproductive State:Flower, Fruit
Collector:J. D. Ray, Jr. 10926
  with C.E. Smith, Jr., J. Patman, O. Lakela
Date:12 May 1961
Accession No:42228
Image:42228.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx. - Determined By: R. P. Wunderlin, 1976
Determination History: Cirsium smallii Britton - Determined By: H. E. Ahles
Cirsium horridulum Michx.
Locality:USA. Florida. Seminole Co.: Ca. 1 mi. SE of Oviedo off FL 419. 28º 40’ 11” N -81º -12’ -29” W
Description:Involucre urceolate; florets deep lavender; anthers much longer than filaments, anther connective 1.2 mm long. Infrequent
Habitat:Extensive longleaf pine [Pinus palustris] - Serenoa fepens flatwood; berm between roadside and moist margin of wood.
Reproductive State:Flower
Notes:Sheet 2 of 2.
Collector:J. D. Ray, Jr. 10743
  with C.E. Wood, C.E. Smith, R.J. Eaton
Date:26 Apr 1961
Accession No:40922
Image:40922.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Pinellas Co.: Brooker Creek Preserve. Ca. 3 mi. NNE of Oldsmar in powerline right-of-way. T28S, R16E, Sec. 1, NE¼. 28º 2’ 3” N -82º -39’ -54” W
Habitat:Weeds and wet areas.
Reproductive State:Flower
Collector:B. F. Hansen 12111
  with R.P. Wunderlin, P. Dooris
Date:12 May 1993
Accession No:207786
Image:207786.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Highlands Co.: Along FL 64 at Bonnet Creek, 0.2 mi. S of Arbuckle Creek road, 0.5 mi. S of the Polk County line. T33S, R29E, Sec. 3, SE¼ of NW¼. 27º 57’ 0” N -81º -42’ 0” W
Habitat:Roadside ditch.
Reproductive State:Flower
Collector:B. F. Hansen 7080
  with R.P. Wunderlin, D.R. Richardson
Date:17 Apr 1980
Accession No:150896
Image:150896.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Highlands Co.: Avon Park Air Force Range. E side of Van Eeghen Road, 1.7 mi. N of South Fence East Road. T33S, R30E, Sec. 36.
Habitat:Roadside.
Reproductive State:Flower
Collector:C. vanHoek 1054
  with B. Wargo
Date:13 Mar 1998
Accession No:250690
Image:250690.jpg
Family Name:Asteraceae
Currently Accepted Name:Cirsium horridulum Michx.
Locality:USA. Florida. Collier Co.: Collier-Seminole State Park. Burn zone 3, W side of access road. T51S, R27E, Sec. 26. 26º 7’ 59” N -81º -28’ -59” W
Description:Forb up to 1 m tall. Occasional
Habitat:Wet flatwoods.
Reproductive State:Flower
Collector:J. Weber CS0006
Date:29 Mar 1991
Accession No:202576
Image:202576.jpg

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