Herbarium Specimen Details

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium vittatum (Small) Small
Locality USA. Florida , Miami-Dade Co. : Everglades National Park. Near Homestead. 25° 57' 18" N 80° 44' 41" W
Description Basal leaves only.
Habitat Miami oolite and solution holes; hammock and pineland association.
Reproductive State
Collector G. R. Cooley 9419
with R.J. Eaton, F.C. Craighead, O. Lakela
Collection Date 16 Oct 1962
Accession Number 54468
Image 54468.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 29 Jul 2003
Accession Number 248720
Image 248720.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium vittatum (Small) Small
Locality USA. Florida , Collier Co. : Corkscrew Swamp Sanctuary. 26° 28' 0" N 81° 32' 60" W
Description Flowers white.
Habitat Sand, dry.
Reproductive State Fruit
Collector P. Genelle 534
with G. Fleming
Collection Date 23 Mar 1971
Accession Number 94645
Image 94645.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium vittatum (Small) Small
Locality USA. Florida , Monroe Co. : Pinecrest Road. 25° 43' 60" N 80° 55' 60" W
Habitat Ditch banks bordering hammock and glade areas.
Reproductive State Flower
Collector O. K. Lakela 30675
with F. Almeda
Collection Date 13 Feb 1967
Accession Number 79451
Image 79451.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 18 Aug 1987
Accession Number 193074
Image 193074.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Lee Co. : North Fort Myers; Tamiami Village, N of RV section. 25° 45' 31" N 80° 23' 54" W
Habitat Open woods.
Reproductive State Flower
Collector E. Brown
Collection Date 12 Jun 1983
Accession Number 186945
Image 186945.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 27 Sep 1983
Accession Number 173937
Image 173937.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 23 Mar 1983
Accession Number 172418
Image 172418.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 15 May 1983
Accession Number 172817
Image 172817.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 30° 24' 33" N 87° 12' 51" W
Reproductive State Flower
Collector G. Wilhelm 11429
Collection Date 17 May 1983
Accession Number 172432
Image 172432.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: 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. 29° 1' 0" N 81° 2' 60" 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
Collection Date 27 Apr 1961
Accession Number 45257
Image 45257.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium smallii Britton
Locality USA. Florida , Monroe Co. : Big Pine Key.
Description Radical leaves common, without flowering stems.
Habitat Flat pinelands.
Reproductive State Flower Fruit
Collector O. K. Lakela 27897
Collection Date 13 Nov 1964
Accession Number 61697
Image 61697.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium smallii Britton
Locality USA. Florida , Sarasota Co. : 6.2 mi. S of Venice, US 41. 27° 5' 59" N 82° 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.
Habitat Deep sandy soil, road ditch.
Reproductive State Flower Fruit
Collector G. B. Ownbey 1369
with F. Ownbey
Collection Date 01 Jul 1950
Accession Number 85150
Image 85150.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium vittatum Small
Locality USA. Florida , Monroe Co. : Big Pine Key; Watson's Hammock and surrounding pineland. 26° 39' 38" N 82° 9' 12" W
Reproductive State Fruit
Collector R. W. Long 2099
with G.N. Avery, J. De Boer, R. Hebert, G. Mills
Collection Date 06 Aug 1966
Accession Number 75733
Image 75733.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium horridulum Michx.
Cirsium vittatum Small - Determined By: H. E. Ahles, 1960
Locality USA. Florida , Levy Co. : Lebanon Station. T15S, R16E, Sec. 13. 29° 6' 8" N 82° 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.
Collection Date 22 Sep 1959
Accession Number 15956
Image 15956.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium vittatum Small
Locality USA. Florida , Miami-Dade Co. : Everglades National Park. SW of Homestead, FL 29. 25° 57' 18" N 80° 44' 41" W
Habitat Outcrops of oolite.
Reproductive State Flower Immature Fruit
Collector O. K. Lakela 25720
Collection Date 30 Mar 1963
Accession Number 55612
Image 55612.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium vittatum Small
Locality USA. Florida , Miami-Dade Co. : Everglades National Park. Between Pa-hay-okee Hammock and Pineland Trail. 25° 57' 18" N 80° 44' 41" W
Reproductive State Flower Fruit
Collector R. W. Long 2873
with H. Andorfer
Collection Date 13 Apr 1969
Accession Number 85874
Image 85874.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: 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
Collection Date 23 May 1963
Accession Number 55285
Image 55285.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 07 Jun 1977
Accession Number 128478
Image 128478.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 14 Mar 1982
Accession Number 164287
Image 164287.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 30° 0' 0" N 81° 40' 60" W
Habitat Field and meadow.
Reproductive State Flower
Collector G. Fleming 4017
Collection Date 22 Apr 1988
Accession Number 195991
Image 195991.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collector J.M. Carlton
Collection Date 12 Sep 1977
Accession Number 162624
Image 162624.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collector J.M. Carlton
Collection Date 12 Sep 1977
Accession Number 201322
Image 201322.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Lake Co. : Astor Park. 29° 9' 45" N 81° 31' 31" W
Description Rays lavender.
Habitat Roadside ditch.
Reproductive State Flower
Collector R. F. Daubenmire
with J. Daubenmire
Collection Date 10 Sep 1978
Accession Number 179367
Image 179367.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: B. F. Hansen, Oct 2009
Determination History
Cirsium horridulum Michx. elliottii Torr. & A. Gray Fernald
Locality USA. Florida , Lee Co. : Sanibel Island. 26° 26' 56" N 82° 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
Collection Date 09 Jan 1967
Accession Number 79920
Image 79920.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Sarasota Co. : S end of Longboat Key, Sarasota. 27° 19' 36" N 82° 44' 36" W
Description Florets white.
Habitat Beach hammock overlooking gulf; Agave - Juniperus - Sabal - Yucca association.
Reproductive State Flower
Collector O. K. Lakela 28142
with R.W. Long
Collection Date 10 Feb 1965
Accession Number 62746
Image 62746.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Sarasota Co. : S end of Longboat Key, Sarasota. 27° 19' 36" N 82° 44' 36" W
Description Florets purple.
Habitat Beach hammock overlooking gulf; Agave - Juniperus - Sabal - Yucca association.
Reproductive State Flower
Collector O. K. Lakela 28142
with R.W. Long
Collection Date 10 Feb 1965
Accession Number 62748
Image 62748.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 28° 11' 38" N 82° 35' 30" W
Habitat Mesic flatwoods.
Reproductive State Flower
Collector E. M. Ferguson 691
with J.M. Kunzer
Collection Date 16 Apr 2004
Accession Number 250838
Image 250838.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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.
Habitat Disturbed area.
Reproductive State Flower
Collector J. Weber
Collection Date 11 Apr 1991
Accession Number 206211
Image 206211.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 27° 28' 60" N 82° 10' 60" W
Description Erect composite to 75 cm high.
Habitat Ruderal area.
Reproductive State Flower
Collector S. Cole
Collection Date 09 Apr 1994
Accession Number 217861
Image 217861.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: 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
Collection Date 08 Apr 1969
Accession Number 251175
Image 251175.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium vittatum Small
Locality USA. Florida , Monroe Co. : Pinecrest Road. 25° 43' 60" N 80° 55' 60" W
Habitat Prairie at abandoned road.
Reproductive State Flower
Collector G. R. Cooley 1108
Collection Date 01 Mar 1952
Accession Number 4550
Image 4550.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 13 Jun 2001
Accession Number 235481
Image 235481.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: 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
Collection Date 17 Apr 1964
Accession Number 60665
Image 60665.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 27° 55' 35" N 82° 30' 54" W
Description Spiny, robust herb to 80 cm.
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
Collection Date 10 Apr 2004
Accession Number 238561
Image 238561.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 29° 10' 60" N 81° 25' 0" W
Habitat Grassy seepage areas between detch and wet pine flatwoods.
Reproductive State Flower
Collector C. Slaughter 13004
Collection Date 26 Apr 2002
Accession Number 236135
Image 236135.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium horridulum Michx. elliottii Torr. & A. Gray Fernald
Cirsium vittatum Small - Determined By: Lakela,
Locality USA. Florida , Lee Co. : Sanibel Island. 26° 26' 56" N 82° 1' 20" W
Description Flowers purple, some few specimens almost white.
Habitat Prairies and uplands.
Reproductive State Flower Fruit
Collector G. R. Cooley 2507
Collection Date 18 Feb 1954
Accession Number 101337
Image 101337.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 14 Mar 1978
Accession Number 131743
Image 131743.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 28° 58' 0" N 82° 7' 0" W
Description [Top] taken from large rosette.
Habitat Ruderal.
Reproductive State Flower Fruit
Collector S.W. Braem
Collection Date 20 Mar 2000
Accession Number 232411
Image 232411.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Lee Co. : North Captiva Island. 26° 31' 19" N 82° 11' 21" W
Description Flowers purple.
Habitat Savanna.
Reproductive State Flower Fruit
Collector S. Morrill 42
with J. Harvey
Collection Date 24 Mar 1978
Accession Number 141143
Image 141143.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 27° 44' 45" N 81° 31' 50" W
Habitat Oak - cypress [Taxodium] area.
Reproductive State Fruit
Collector D. R. Lindsey 436
with S. Upchurch
Collection Date 08 May 1981
Accession Number 168758
Image 168758.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Determination History
Cirsium vittatum Small
Locality USA. Florida , Collier Co. : Corkscrew Swamp Sanctuary. 26° 28' 0" N 81° 32' 60" W
Description Flowers purple.
Habitat Sand, dry.
Reproductive State Flower
Collector P. Genelle 535
with G. Fleming
Collection Date 23 Mar 1971
Accession Number 94640
Image 94640.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium vittatum Small
Locality USA. Florida , Monroe Co. : East Cape, Cape Sable, on Florida Bay. 28° 0' 0" N 82° 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
Collection Date 07 May 1965
Accession Number 64216
Image 64216.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 28° 17' 28" N 81° 24' 25" W
Habitat Between road and cut-over flatwoods.
Reproductive State Fruit
Collector P. W. Brunn 44
Collection Date 08 Mar 1981
Accession Number 169676
Image 169676.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 09 Apr 1991
Accession Number 206252
Image 206252.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 22 Mar 1972
Accession Number 100971
Image 100971.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Polk Co. : Close to Lakeland city limits on US 92. 28° 2' 22" N 81° 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
Collection Date 12 Mar 1961
Accession Number 24687
Image 24687.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Hillsborough Co. : Near Hillsborough [River] State Park. 27° 55' 0" N 82° 20' 60" W
Description Flowers purple.
Reproductive State Flower
Collector G. R. Cooley 5868
with R.J. Eaton
Collection Date 31 Mar 1958
Accession Number 6421
Image 6421.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 27° 38' 59" N 82° 24' 27" W
Habitat Disturbed flatwoods.
Reproductive State Flower
Collector C. vanHoek
Collection Date 29 Mar 2003
Accession Number 247815
Image 247815.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 27° 7' 3" N 82° 19' 40" W
Habitat Edge of hammock.
Reproductive State Flower
Collector A. R. Franck 234
Collection Date 11 May 2007
Accession Number 246240
Image 246240.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 08 Mar 2007
Accession Number 246121
Image 246121.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 30° 16' 56" N 82° 7' 19" W
Habitat Wet ditch between highway and pine flatwoods.
Reproductive State Flower
Collector C. Slaughter 15417
Collection Date 17 Apr 2007
Accession Number 244730
Image 244730.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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). 26° 0' 40" N 80° 8' 58" W
Description Flowers violet.
Reproductive State Flower
Collector W. C. Sturtevant 2
Collection Date 09 Mar 1959
Accession Number 82111
Image 82111.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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). 26° 0' 40" N 80° 8' 58" W
Description Flowers violet.
Reproductive State
Collector W. C. Sturtevant 2
Collection Date 09 Mar 1959
Accession Number 82112
Image 82112.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Hillsborough Co. : Hillsborough [River] State Park. 27° 55' 0" N 82° 20' 60" W
Description Very common in Mar-Apr.
Habitat Roadside.
Reproductive State Flower
Collector R. Overstreet 32
Collection Date 20 Mar 1963
Accession Number 88984
Image 88984.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Miami-Dade Co. : Everglades National Park. SW of Homestead. 25° 57' 18" N 80° 44' 41" W
Description Anther connective 1.2 mm long.
Reproductive State Flower
Collector O. K. Lakela 25736
with F.C. Craighead
Collection Date 30 Mar 1963
Accession Number 55602
Image 55602.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 28 Feb 1970
Accession Number 122658
Image 122658.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 17 Mar 1980
Accession Number 145345
Image 145345.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: 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
Collection Date 19 Apr 1981
Accession Number 158066
Image 158066.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 27° 45' 0" N 82° 7' 60" W
Description Erect forb to 1 m high.
Habitat Coastal strand.
Reproductive State Flower Fruit
Collector S. Cole
with J. Miller
Collection Date 08 Apr 1994
Accession Number 212645
Image 212645.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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.
Habitat Disturbed area.
Reproductive State Flower Fruit
Collector J. Weber
Collection Date 11 Apr 1991
Accession Number 212774
Image 212774.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 27° 55' 0" N 82° 20' 60" W
Description Erect composite to 1.25 m high.
Habitat Upland mixed forest.
Reproductive State Flower
Collector S. Cole
with D. Hoyle
Collection Date 30 Apr 1994
Accession Number 212793
Image 212793.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium vittatum Small
Locality USA. Florida , Collier Co. : Big Cypress, Fakahatchee, S of Miles City. 25° 52' 6" N 81° 29' 21" W
Habitat Glade and cypress [Taxodium] margin.
Reproductive State Flower
Collector O. K. Lakela 28197
with R.W. Long
Collection Date 06 Mar 1965
Accession Number 63914
Image 63914.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium vittatum Small
Locality USA. Florida , Collier Co. : Off US 41, W of Monroe Station. 25° 19' 60" N 81° 0' 0" W
Habitat Shady moist ground of hammock margin.
Reproductive State Flower
Collector O. K. Lakela 26905
Collection Date 13 Mar 1964
Accession Number 58372
Image 58372.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 30° 23' 57" N 85° 7' 42" W
Description Erect herb to 1 m, extreme spines; flowers pale yellow.
Habitat Disturbed, weedy, grassy 35 acre field.
Reproductive State Flower
Collector T. MacClendon 595
with K. MacClendon
Collection Date 09 Apr 2007
Accession Number 244003
Image 244003.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: 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. 28° 1' 0" N 82° 43' 60" 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
Collection Date 12 May 1961
Accession Number 42228
Image 42228.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium horridulum Michx.
Cirsium smallii Britton - Determined By: H. E. Ahles,
Locality USA. Florida , Seminole Co. : Ca. 1 mi. SE of Oviedo off FL 419. 28° 40' 12" N 81° 12' 29" W
Description Involucre urceolate; florets deep lavender; anthers much longer than filaments, anther connective 1.2 mm long.
Habitat Extensive longleaf pine [Pinus palustris] - Serenoa fepens flatwood; berm between roadside and moist margin of wood.
Reproductive State Flower
Collector J. D. Ray, Jr. 10743
with C.E. Wood, C.E. Smith, R.J. Eaton
Collection Date 26 Apr 1961
Accession Number 40922
Image 40922.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 28° 2' 3" N 82° 39' 54" W
Habitat Weeds and wet areas.
Reproductive State Flower
Collector B. F. Hansen 12111
with R.P. Wunderlin, P. Dooris
Collection Date 12 May 1993
Accession Number 207786
Image 207786.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 27° 56' 60" N 81° 42' 0" W
Habitat Roadside ditch.
Reproductive State Flower
Collector B. F. Hansen 7080
with R.P. Wunderlin, D.R. Richardson
Collection Date 17 Apr 1980
Accession Number 150896
Image 150896.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 13 Mar 1998
Accession Number 250690
Image 250690.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 26° 7' 60" N 81° 28' 60" W
Description Forb up to 1 m tall.
Habitat Wet flatwoods.
Reproductive State Flower
Collector J. Weber
Collection Date 29 Mar 1991
Accession Number 202576
Image 202576.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 29° 53' 20" N 82° 19' 57" W
Habitat Roadside.
Reproductive State Flower
Collector B. F. Hansen 12670
with R.P. Wunderlin, P. Dooris
Collection Date 02 Mar 1994
Accession Number 209471
Image 209471.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 26° 55' 60" N 81° 45' 0" W
Habitat Pine flatwoods.
Reproductive State Flower
Collector B. F. Hansen 7021
with D.R. Richardson, G. Robinson
Collection Date 10 Apr 1980
Accession Number 150919
Image 150919.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium horridulum Michx.
Cirsium smallii Britton - Determined By: H. E. Ahles,
Locality USA. Florida , Seminole Co. : Ca. 1 mi. SE of Oviedo off FL 419. 28° 40' 12" N 81° 12' 29" W
Description Involucre urceolate; florets deep lavender.
Habitat Extensive longleaf pine [Pinus palustris] - Serenoa repens flatwood; berm between roadside and moist margin of wood.
Reproductive State
Collector J. D. Ray, Jr. 10743
with C.E. Wood, C.E. Smith, R.J. Eaton
Collection Date 26 Apr 1961
Accession Number 40921
Image 40921.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Wunderlin, 1976
Determination History
Cirsium smallii Britton purpureum Murrill
Cirsium vittatum Small - Determined By: Lakela, 17-Apr-1962
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.
Collection Date 03 May 1961
Accession Number 43063
Image 43063.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Hillsborough Co. : Egmont Key, bay side. 30° 11' 60" N 85° 37' 0" W
Description Flowers lavender.
Habitat Disturbed area.
Reproductive State Flower
Collector R. P. Wunderlin 5949
with S. Mortellaro, R. Wilkins, W. Kutash
Collection Date 25 Apr 1978
Accession Number 132142
Image 132142.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 26° 31' 19" N 82° 11' 21" W
Habitat Roadside weeds.
Reproductive State Flower Fruit
Collector B. F. Hansen 4972
with A.N. Arcuri, D.R. Richardson
Collection Date 12 Jan 1979
Accession Number 251293
Image 251293.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: B. F. Hansen, Oct 2009
Determination History
Cirsium horridulum Michx. elliottii Torr. & A. Gray - Determined By: 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
Collection Date 06 Apr 1973
Accession Number 119060
Image 119060.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: B. F. Hansen, Oct 2009
Determination History
Cirsium horridulum Michx. elliottii Torr. & A. Gray Fernald
Locality USA. Florida , Palm Beach Co. : FL 441, 10 mi. W of Lantana. 26° 35' 12" N 80° 3' 7" W
Description Plants 5 ft. tall; corollas violet.
Habitat Low pineland.
Reproductive State Flower
Collector W. L. McCart 11336
Collection Date 28 Feb 1970
Accession Number 98296
Image 98296.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: B. F. Hansen, Oct 2009
Determination History
Cirsium horridulum Michx. 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
Collection Date 21 Oct 1972
Accession Number 104062
Image 104062.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Hernando Co. : Withlacoochee State Forest. 28° 21' 0" N 81° 49' 0" W
Habitat Sandy pinelands, Pinus elliottii.
Reproductive State Flower
Collector P. Genelle 1800
with G. Fleming
Collection Date 05 May 1973
Accession Number 104804
Image 104804.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Manatee Co. : Corner of Singletary Road and Rex Road. 28° 3' 27" N 82° 14' 4" W
Description Plant to 2 m tall; flowers pink.
Reproductive State Flower
Collector C. H. Dodson 8007
Collection Date 01 Apr 1979
Accession Number 139451
Image 139451.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 30° 23' 37" N 86° 29' 45" W
Reproductive State Flower
Collector G. Wilhelm 8594
with S. Blackmon
Collection Date 16 Mar 1981
Accession Number 159309
Image 159309.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Seminole Co. : S of Sanford. 28° 48' 2" N 81° 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.
Collection Date 03 May 1960
Accession Number 18936
Image 18936.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 27° 28' 60" N 82° 10' 60" W
Description Armed erect forb to 0.6 m.
Habitat Ruderal.
Reproductive State Flower
Collector J. Myers 14
with S. Marchesi
Collection Date 30 Apr 1998
Accession Number 230951
Image 230951.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 14 Apr 2000
Accession Number 226345
Image 226345.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 25° 52' 6" N 81° 29' 21" W
Habitat Wet flatwoods.
Reproductive State Bud
Collector R. Pires
Collection Date 29 Feb 2000
Accession Number 239944
Image 239944.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 27° 45' 0" N 82° 7' 60" 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
Collection Date 04 Apr 2000
Accession Number 225983
Image 225983.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Lee Co. : Cayo Costa State Park. Near campground. 26° 41' 6" N 82° 15' 30" W
Habitat Coastal grassland; grassy area.
Reproductive State Flower
Collector A. Bishop
with B. Holst
Collection Date 04 Mar 2003
Accession Number 242282
Image 242282.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: Kral,
Locality USA. Florida , Wakulla Co. : Riversink [Spring].
Description Heads yellow.
Habitat Longleaf pine [Pinus palustris] - turkey oak [Quercus laevis] barrens.
Reproductive State Fruit
Collector R. Kral 6447
Collection Date 27 Apr 1958
Accession Number 5744
Image 5744.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 24 Apr 1960
Accession Number 20797
Image 20797.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 20 Apr 1959
Accession Number 9700
Image 9700.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 25° 52' 6" N 81° 29' 21" W
Description Flowers white.
Habitat Glade, dry soil.
Reproductive State Flower
Collector O. K. Lakela 30746
with F. Almeda
Collection Date 20 Apr 1967
Accession Number 79960
Image 79960.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 15 Mar 1969
Accession Number 85311
Image 85311.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 28° 13' 60" N 82° 16' 60" W
Habitat Sand pine [Pinus clausa] scrub along road.
Reproductive State Flower
Collector B. F. Hansen 9899
with R.P. Wunderlin, G. Robinson
Collection Date 31 May 1984
Accession Number 178079
Image 178079.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 28° 2' 13" N 82° 10' 7" W
Habitat Calcareous prairie ecotone.
Reproductive State Flower
Collector C. vanHoek 911
with B. Wargo
Collection Date 25 Apr 1997
Accession Number 251843
Image 251843.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 29° 19' 40" N 81° 4' 44" W
Habitat Ruderal area near buildings.
Reproductive State Flower
Collector J. M. Kunzer 1434
Collection Date 14 Mar 2006
Accession Number 253697
Image 253697.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 26° 55' 0" N 81° 55' 0" W
Habitat Drainage ditch in old pasture.
Reproductive State Flower Fruit
Collector A. R. Franck 1833
Collection Date 29 Mar 2010
Accession Number 253767
Image 253767.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 29° 43' 60" N 83° 13' 60" W
Habitat Roadside in wet flatwoods.
Reproductive State Flower
Collector B. F. Hansen 13385
with J. Hansen
Collection Date 18 Sep 2008
Accession Number 255050
Image 255050.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 30° 8' 34" N 84° 56' 20" W
Description Head with spines on involucre bracts; sap white.
Habitat Pine forest.
Reproductive State Flower Fruit
Elevation 21 to m
Collector K. M. Meyer 58
with A. Townesmith
Collection Date 09 May 2007
Accession Number 257295
Image 257295.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
with R. Roberts
Collection Date Mar 1988
Accession Number 260414
Image 260414.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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). 28° 43' 41" N 81° 19' 19" W
Habitat Mowed turf at roadside.
Reproductive State Flower
Collector D. H. Williams 3021
Collection Date 22 Mar 2012
Accession Number 264631
Image 264631.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 29° 55' 6" N 81° 24' 48" W
Habitat Roadside ditch.
Reproductive State Flower
Collector W. D. Longbottom 16886
with D.H. Williams
Collection Date 17 Apr 2012
Accession Number 265099
Image 265099.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 30° 6' 34" N 82° 9' 55" W
Habitat In fields.
Reproductive State Flower Fruit
Collector W. D. Longbottom 16982
with D.H. Williams
Collection Date 17 Apr 2012
Accession Number 265387
Image 265387.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 26° 36' 29" N 81° 21' 3" W
Habitat Hammock along slough marsh.
Reproductive State Flower Fruit
Collector A. R. Franck 3233
Collection Date 07 Apr 2013
Accession Number 268093
Image 268093.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Orange Co. : Mile marker 29.5 on FL 528, E of Orlando. 28° 27' 10" N 81° 0' 10" W
Habitat Disturbed roadside.
Reproductive State Flower Fruit
Collector S. Myers 941
Collection Date 24 Apr 2013
Accession Number 268753
Image 268753.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 30° 18' 57" N 83° 49' 60" W
Habitat Rough, maintained turf at roadside.
Reproductive State Flower
Collector D. H. Williams 3658
with H.L. Williams
Collection Date 11 May 2013
Accession Number 269337
Image 269337.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 29° 55' 28" N 84° 58' 38" W
Habitat Grassy roadside.
Reproductive State Flower
Collector S. Myers 986
Collection Date 24 May 2013
Accession Number 269744
Image 269744.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 30° 37' 13" N 81° 38' 52" W
Habitat Edge of woods along roadside.
Reproductive State Flower
Collector W. D. Longbottom 18496
Collection Date 27 Feb 2013
Accession Number 269827
Image 269827.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Osceola Co. : Kissimmee Park Road, N of Clay Whaley Road, St. Cloud. 28° 13' 5" N 81° 19' 3" W
Habitat Roadside weed.
Reproductive State Flower
Collector S. Myers 954
Collection Date 11 May 2013
Accession Number 269912
Image 269912.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 28° 27' 12" N 80° 56' 2" W
Description Flower purple.
Habitat Open, disturbed field.
Reproductive State Flower
Collector J. Cheak 48
Collection Date 20 Aug 2012
Accession Number 270163
Image 270163.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collector D. E. Anderson 1495
Collection Date 28 Jan 1961
Accession Number 274226
Image 274226.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Broward Co. : FL 84, W part of the county. 26° 11' 24" N 80° 21' 57" W
Description Common.
Habitat Road shoulder, in sand.
Reproductive State Flower Fruit
Collector A. M. Wooten
Collection Date 15 Jan 1978
Accession Number 274223
Image 274223.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Pinellas Co. : FL 580, 10 mi. N of Clearwater. 27° 59' 6" N 82° 52' 11" W
Habitat Pineland along roadside; dry, sandy soil.
Reproductive State Flower Fruit
Collector M. R. Blake
Collection Date 16 Apr 1975
Accession Number 274224
Image 274224.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 27° 7' 1" N 82° 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
Collection Date 06 May 2010
Accession Number 275254
Image 275254.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 25° 28' 7" N 80° 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
Collection Date 1966
Accession Number 290559
Image 290559.JPG
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
with D. S. Correll, R. P. Sauleda, & B. F. Hansen
Collection Date 16 Dec 1979
Accession Number 144389
Image 144389.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx. - Determined By: L. C. Noel, 01 May 2017
Determination History
Cirsium smallii Britton
Cirsium horridulum Michx. vittatum Small R. W. Long - Determined By: D. J. Keil, 1997
Locality Bahamas. Grand Bahama Island , City of Freeport Distr. : Freeport; along Queens Highway. 26° 31' 27" N 78° 41' 57" W
Reproductive State Flower
Collector R. Vagner
with et al.
Collection Date 25 Feb 1967
Accession Number 79731
Image 79731.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 28° 9' 34" N 82° 36' 36" W
Habitat Fenceline.
Reproductive State Flower
Collector A. Farid
with S. Bowman
Collection Date 04 Apr 2016
Accession Number 290985
Image 290985.JPG
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 30 Apr 1972
Accession Number 295170
Image 295170.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Hillsborough Co. : Cypress Creek Preserve; near service road. 28° 8' 16" N 82° 23' 12" W
Habitat Flatwoods.
Reproductive State Flower
Collector J. R. Campbell
Collection Date 17 Apr 2017
Accession Number 295360
Image 295360.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Miami-Dade Co. : S from Loop Road, 4 mi. W of Pinecrest. 25° 40' 1" N 80° 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
Collection Date 08 Dec 1967
Accession Number 295541
Image 295541.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 29 Apr 1968
Accession Number 86861
Image 86861.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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.
Collection Date 21 Mar 1957
Accession Number 17682
Image 17682.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
with D. C. Moore
Collection Date 25 Mar 1983
Accession Number 209825
Image 209825.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 30 May 1982
Accession Number 174438
Image 174438.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 09 May 1971
Accession Number 111739
Image 111739.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collector H. Laing
Collection Date 01 May 1957
Accession Number 14833
Image 14833.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collector H. Laing
Collection Date 01 May 1957
Accession Number 14834
Image 14834.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 13 Apr 1985
Accession Number 185531
Image 185531.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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.
Collection Date 22 Mar 1957
Accession Number 17418
Image 17418.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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.
Collection Date 07 May 1957
Accession Number 17449
Image 17449.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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.
Collection Date 14 Apr 1952
Accession Number 17838
Image 17838.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. South Carolina , Richland Co. : Old Hopkins Road next to railroad tracks, downtown Hopkins. 33° 54' 21" N 80° 52' 37" 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
with K. Bradley
Collection Date 10 Sep 2015
Accession Number 281398
Image 281398.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 22 Feb 1952
Accession Number 4169
Image 4169.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
Family Name Asteraceae
Currently Accepted Name Cirsium horridulum Michx.
Locality USA. Florida , Osceola Co. : US 441 (Holopaw Road) at Lincoln Road. 28° 7' 39" N 81° 4' 32" W
Habitat Roadside ditch.
Reproductive State Flower
Collector W. D. Longbottom
with D.H. Williams
Collection Date 19 Mar 2015
Accession Number 297512
Image 297512.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 15 Jul 1972
Accession Number 297018
Image 297018.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 22 Apr 1961
Accession Number 297016
Image 297016.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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. 27° 46' 56" N 80° 32' 30" W
Habitat Pine flatwoods.
Reproductive State Flower
Collector S. Myers
Collection Date 07 Apr 2017
Accession Number 299509
Image 299509.jpg
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
Collection Date 01 Oct 1929
Accession Number 287133
Image 287133.JPG
Plant Atlas Link Plant Atlas Citation

Cirsium horridulum
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
with M. L. Gilbert, M. S. Tisdale
Collection Date 30 May 1962
Accession Number 303781
Image 303781.jpg
Plant Atlas Link Plant Atlas Citation