Herbarium Specimen Details

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Pinellas Co. : Brooker Creek Preserve. Just W of the diagonal powerline, ca. 2.5 mi. S of Tarpon Springs Road. T27S, R16E, Sec. 26, NE¼ of SE¼. 29° 53' 20" N 82° 19' 57" W
Habitat Roadside in pine flatwoods.
Reproductive State Bud Flower Fruit
Collector B. F. Hansen 12785
with R.P. Wunderlin, P. Dooris
Collection Date 01 Jun 1994
Accession Number 210419
Image 210419.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: D. B. Ward, 28 Jun 1963
Locality USA. Florida , St. Johns Co. : FL 16, ca. 1 mi. E of the intersection with C-210 (across the St. Johns River from Green Cove Springs). T6S, R27E, Sec. 4. 30° 4' 55" N 81° 32' 50" W
Description Abundant.
Habitat Dry, sandy roadside at the edge of pavement.
Reproductive State Bud Flower
Collector D. B. Ward 3525
Collection Date 28 Jun 1963
Accession Number 77543
Image 77543.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: D. B. Ward, 28-Nov-1962
Locality USA. Florida , Sarasota Co. : N side of Phillippe Creek, 0.6 mi W of US 41, ca. 3 mi. S of Sarasota. T37S, R18E, Sec. 7. 27° 19' 36" N 82° 44' 36" W
Description Rays and disk yellow; occassional.
Habitat Edge of scrub.
Reproductive State Bud Flower Fruit
Collector D. B. Ward 3137
with D. Burch
Collection Date 28 Nov 1962
Accession Number 73679
Image 73679.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Polk Co. : 3 mi. N of Lake Wales.
Habitat Open woods.
Reproductive State Bud Flower
Collector G. R. Cooley 13834
Collection Date 01 Jan 1970
Accession Number 91353
Image 91353.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Walton Co. : S side of De Funiak Springs.
Description Heads yellow.
Habitat In rather dry, weedy soils.
Reproductive State Bud Flower
Collector D. S. Correll 52137
with H.B. Correll
Collection Date 28 Jun 1981
Accession Number 160101
Image 160101.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Hillsborough Co. : NW of Tampa; FL 580 at Double Branch bridge. 27° 56' 51" N 82° 27' 30" W
Description Common.
Habitat Sandy terrace of a tidal river.
Reproductive State Bud Flower Fruit
Collector O. K. Lakela 24611
Collection Date 09 Sep 1961
Accession Number 42609
Image 42609.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Charlotte Co. : Don Pedro Island State Park. Along roadside E of the beach restrooms, wekk [?] behind the dunes. T12S, R20E, Sec. 3, SW¼ of NW¼ of SW¼. 28° 58' 0" N 82° 7' 0" W
Description Erect composite to 1.0 m in height; common; disk slightly conic; rays yellowish; achene pappus of scales.
Habitat Behind dunes in a ruderal area.
Reproductive State Bud Flower
Collector S. Cole
Collection Date 16 Jun 1993
Accession Number 212806
Image 212806.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Hillsborough Co. : Balm-Boyette Scrub Nature Preserve. 2.2 mi. SSE of Boyette. T31S, R21E, Sec. 16, SE¼ of NW¼. 27° 49' 0" N 82° 13' 0" W
Reproductive State Bud Flower
Collector S. Landry
with C. Vandaveer
Collection Date 03 Mar 1995
Accession Number 222187
Image 222187.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Seminole Co. : Ca. 1 mi. SE of Oviedo off FL 419. 28° 40' 12" N 81° 12' 29" W
Description Common.
Habitat Extensive longleaf pine [Pinus palustris] - saw palmetto [Serenoa repens] flatwood. Berm between the roadside and moist margin of wood.
Reproductive State Bud Flower Fruit
Collector J. D. Ray, Jr. 10737
with R.J. Eaton, C.E. Smith, C.E. Wood
Collection Date 26 Apr 1961
Accession Number 40933
Image 40933.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: Lakela, s.d.
Determination History
Helenium tenuifolium (Nutt.) Kuntze
Locality USA. Florida , Polk Co. : Fort Meade.
Reproductive State Flower
Collector O. E. Jennings
with G.K. Jennings
Collection Date Apr 1931
Accession Number 55672
Image 55672.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Collier Co. : Roadside along C-846, 1 mi. E of North Naples. 26° 8' 31" N 81° 47' 41" W
Description Plants numerous, young.
Habitat Ditch banks. Soil very dry.
Reproductive State Bud Flower
Collector O. K. Lakela 30932
Collection Date 07 Aug 1967
Accession Number 80664
Image 80664.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: Wunderlin, 1976
Determination History
Helenium tenuifolium (Nutt.) Kuntze
Locality USA. Florida , Polk Co. : Fort Meade.
Reproductive State Bud Flower Fruit
Collector O. E. Jennings
with G.K. Jennings
Collection Date Dec 23-30, 1925
Accession Number 54658
Image 54658.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Hillsborough Co. : E of Tampa; ca. 1 mi. S of US 41 and FL 676 intersection. 27° 56' 51" N 82° 27' 30" W
Habitat Seasonally damp, weedy, flat; formerly in pine and saw palmetto [Serenoa repens].
Reproductive State Bud Flower Fruit
Collector J. D. Ray, Jr. 10016
with O.K. Lakela, J. Patman
Collection Date 24 Aug 1960
Accession Number 22488
Image 22488.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Pasco Co. : 1 mi. E of Gowers Corner off US 41.
Description Local.
Habitat Grassy edge of road at margin of cleared pineland.
Reproductive State Bud Flower
Collector J. D. Ray, Jr. 9925
with O.K. Lakela, J. Patman
Collection Date 09 Aug 1960
Accession Number 19612
Image 19612.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Leon Co. : Lake Jackson. 30° 46' 60" N 85° 10' 0" W
Reproductive State Bud Flower
Collector D. Laker
Collection Date 26 Jul 1966
Accession Number 89205
Image 89205.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Escambia Co. : Aong US 90A, 1.5 mi. W of the junction with I-10; ca. 2.5 mi. E of Beulah. T1S, R31W, Sec. 4, 9. 30° 31' 60" N 87° 24' 0" W
Habitat Edge of pine flatwoods.
Reproductive State Bud Flower Fruit
Collector R. P. Sauleda 6773
with D.K. Sauleda
Collection Date 14 Sep 1981
Accession Number 160524
Image 160524.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Sarasota Co. : Oscar Scherer State Park. Burn Zone 12, near NE corner [of the park] along the road. T38S, R18E, Sec. 13.
Description Erect composite to 1.0 m in height; occasional; yellowish, radiate flower; achene with a pappus of aristate scales.
Habitat Mesic flatwoods.
Reproductive State Bud Flower Fruit
Collector S. Cole
Collection Date 18 Aug 1993
Accession Number 210055
Image 210055.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Holmes Co. : Along C-181, 3 mi. NW of Westville; 5 mi. S of the junction with FL 81. T4N, R17W, Sec. 36. 30° 46' 29" N 85° 51' 6" W
Habitat Roadside ditch.
Reproductive State Bud Flower Fruit
Collector B. F. Hansen 8847
Collection Date 28 Sep 1981
Accession Number 158626
Image 158626.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Washington Co. : At Dram Branch, along C-279, 2.6 mi. S of Caryville. T4N, R16W, Sec. 23, NE¼ of NE¼. 30° 46' 24" N 85° 48' 51" W
Habitat Roadside ditch and adjacent bottomland forest.
Reproductive State Bud Flower Fruit
Collector B. F. Hansen 8818
Collection Date 28 Sep 1981
Accession Number 158538
Image 158538.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: H. Rock, s.d.
Determination History
Helenium tenuifolium (Nutt.) Kuntze - Determined By: Kral, 14-Jul-1958
Locality USA. Florida , Hernando Co. : 2 mi. NNE of Aripeka. 28° 25' 0" N 82° 39' 0" W
Habitat On loose roadside sands.
Reproductive State Flower
Collector R. Kral 7313
Collection Date 14 Jul 1958
Accession Number 5949
Image 5949.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: Lakela, s.d.
Determination History
Helenium tenuifolium (Nutt.) Kuntze
Locality USA. Florida , Leon Co. : Tallahassee. 30° 26' 18" N 84° 16' 51" W
Reproductive State Flower Fruit
Collector W. G. Farlow
Collection Date Nov 1891
Accession Number 53786
Image 53786.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Collier Co. : Corkscrew area SW of Immokalee; abandoned site of produce garden off C-846. 26° 25' 10" N 81° 25' 13" W
Description Locally abundant; luxuriant growth of native plants among weeds.
Habitat Ruderal area. White sand with puddles.
Reproductive State Bud Flower Fruit
Collector O. K. Lakela 28939
Collection Date 18 Jul 1965
Accession Number 65571
Image 65571.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Hillsborough Co. : S. Mobley Road.
Reproductive State Flower
Collector V. Ducey 232
Collection Date 24 Oct 1960
Accession Number 199181
Image 199181.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Lake Co. : NE of Lake Eustis. 28° 51' 10" N 81° 41' 7" W
Reproductive State Bud Flower Fruit
Collector R. F. Daubenmire
with J. Daubenmire
Collection Date 13 Jun 1986
Accession Number 193822
Image 193822.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Manatee Co. : 1.1 mi. W of US 301 on Buckeye Road. T33S, R19E, Sec. 4, SW¼ of SW¼.
Habitat Roadside.
Reproductive State Bud Flower Fruit
Collector G. Robinson 645
with R.P. Wunderlin, B.F. Hansen
Collection Date 06 Jun 1984
Accession Number 177938
Image 177938.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Nassau Co. : FL A1A and Police Lodge Road, 3 mi. W of I-95.
Reproductive State Bud Flower
Collector N. L. Mawhinney
Collection Date 25 Sep 1984
Accession Number 181020
Image 181020.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Pinellas Co. : Fort De Soto County Park. N end of Mullet Key, S Tierra Verde; S of Gulfport. 27° 44' 54" N 82° 42' 12" W
Habitat Beaches and hammock with Crotalaria and Haplopappus [Rayjacksonia]
Reproductive State Bud Flower
Collector O. K. Lakela 26542
Collection Date 05 Oct 1963
Accession Number 56454
Image 56454.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Hillsborough Co. : E of US 41, N of Gulf City road, S of Ruskin. 27° 43' 15" N 82° 25' 59" W
Description Flowers yellow; occasional.
Habitat Land-locked low area.
Reproductive State Flower Fruit
Collector C. G. Wright 124
Collection Date 17 Oct 1978
Accession Number 139439
Image 139439.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Sarasota Co. : Longboat Key, S end.
Habitat Beach hammock overlooking the Gulf of Mexico, associates include Agave, Juniperus, Sabal and Yucca.
Reproductive State Flower Fruit
Collector O. K. Lakela 27554
with R.W. Long
Collection Date 06 Oct 1964
Accession Number 62202
Image 62202.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Collier Co. : The junction of FL 29 and FL 80; ca. 6 mi. N of Immokalee. 26° 25' 10" N 81° 25' 13" W
Description Large plants.
Habitat Cleared area.
Reproductive State Bud Flower Fruit
Collector O. K. Lakela 27436
Collection Date 24 Sep 1964
Accession Number 61816
Image 61816.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Taylor Co. : At end of C-361 extension, N of Deckle Beach.
Habitat Roadside salt marsh.
Reproductive State Bud Flower Fruit
Collector D. W. Crewz 1150
Collection Date 12 Sep 1977
Accession Number 128325
Image 128325.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Marion Co. : Near Legette Mill Pond off US 41, 2 mi. S of Centenary.
Habitat Field.
Reproductive State Bud Flower Fruit
Collector D. W. Crewz 1092
with P. Evans
Collection Date 11 Jun 1977
Accession Number 251849
Image 251849.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Brevard Co. : N Merritt Island; along edge of a dike that forms the W leg of a wildlife drive accessible from FL 406. 27° 51' 34" N 82° 5' 7" W
Habitat Edge of a dike bordering a salt marsh affronting the Indian River [Lagoon].
Reproductive State Bud Flower Fruit
Collector J. E. Poppleton 985
Collection Date 31 Jul 1976
Accession Number 124894
Image 124894.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Pinellas Co. : Brooker Creek Preserve. 0.6 - 0.8 mi. N of C-582, ca. 5 mi. E of US 19; ca. 6 mi. E of Tarpon Springs. T27S, R16E, Sec. 12, SW¼ of NW¼. 29° 53' 20" N 82° 19' 57" W
Habitat Roadside in dry pine flatwoods in well -field.
Reproductive State Bud Flower Fruit
Collector B. F. Hansen
with R.P. Wunderlin, P. Dooris
Collection Date
Accession Number 207973
Image 207973.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Osceola Co. : S side of US 192, ca. 1 mi. E of Holopaw. 28° 7' 60" N 81° 4' 0" W
Description Common.
Habitat Roadside.
Reproductive State Bud Flower Fruit
Collector A.G. Shuey 1689
Collection Date 22 Aug 1976
Accession Number 124172
Image 124172.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Madison Co. : Along a dirt road 0.3 mi. N of the C-146 and C-150 intersection; ca. 3.5 mi. NNW of Hamburg; T2N, R8E, Sec. 5, NW¼ of NE¼. 30° 33' 0" N 83° 31' 0" W
Habitat Weedy roadside.
Reproductive State Bud Flower Fruit
Collector B. F. Hansen 11556
with F. Essig
Collection Date 01 Sep 1987
Accession Number 192641
Image 192641.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Lee Co. : Central Sanibel. 26° 26' 56" N 82° 1' 20" W
Description Plants from a single clump; 5 dm tall and diffuse; flowers light yellow.
Habitat Dry, weedy roadside.
Reproductive State Bud Flower Fruit
Collector W. C. Brumbach 9514
Collection Date 05 Oct 1979
Accession Number 151940
Image 151940.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Manatee Co. : Along the S side of FL 70, ca. 12 mi. E of Oneco. 27° 25' 60" N 82° 31' 60" W
Habitat Disturbed soil.
Reproductive State Bud Flower Fruit
Collector A.G. Shuey 1693
Collection Date 28 Aug 1976
Accession Number 124174
Image 124174.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Escambia Co. : US 29, 6.4 mi. SSW of the Alabama State line at Canoe Creek; ca. 5 mi. S of Century. T5N, R31W, Sec. 26. 30° 58' 24" N 87° 15' 50" W
Habitat Weedy river bank nad in depressions. Red soil.
Reproductive State Flower Fruit
Collector B. F. Hansen 8066
with J. Hansen
Collection Date 13 Sep 1980
Accession Number 151698
Image 151698.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Sarasota Co. : N side of Laurel Road, ca. 1 mi. E of Laurel and US 41. 27° 7' 49" N 82° 27' 11" W
Habitat Disturbed soil.
Reproductive State Bud Flower Fruit
Collector A.G. Shuey 1792
Collection Date 16 Oct 1976
Accession Number 124734
Image 124734.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Citrus Co. : Crystal River; Golf View, 1 block from Country Club Lane. 26° 28' 60" N 80° 5' 60" W
Reproductive State Bud Flower Fruit
Collector M. E. Schmid
Collection Date 01 Sep 1983
Accession Number 176671
Image 176671.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Flagler Co. : Ca. 0.2 mi. E of junction of FL 100 and I-95; 4 mi. E of Bunnell. T12S, R31E, Sec. 39[?]. 29° 27' 58" N 81° 15' 28" W
Habitat Sand pine [Pinus clausa] scrub remnant.
Reproductive State Fertile
Collector B. F. Hansen 9664
with J. Hansen
Collection Date 27 Sep 1983
Accession Number 173952
Image 173952.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Hillsborough Co. : Beacon Key study site #2. T32S, R17E, Sec. 31.
Habitat Dry, sandy soil; coastal scrub.
Reproductive State Fertile
Collector S. Todd 389
Collection Date 17 Sep 1974
Accession Number 251848
Image 251848.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Hillsborough Co. : Beacon Key study site #9. T32S, R18E, Sec. 31.
Habitat Shell dump and fill area; dominated by Serenoa and Quercus.
Reproductive State Fertile
Collector S. Todd 284
Collection Date 25 Jul 1974
Accession Number 112869
Image 112869.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Hillsborough Co. : Little Manatee River State Park. N loop of N Hiking Trail; service road under utility lines. T32S, R19E, Sec. 24, SE¼ of SE¼. 27° 28' 60" N 82° 10' 60" W
Description Erect forb to 1 m.
Habitat Ruderal.
Reproductive State Fertile
Collector J. Myers 106
Collection Date 20 Aug 1998
Accession Number 230978
Image 230978.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Hillsborough Co. : Beacon Key study site #9. T32S, R18E, Sec. 31.
Habitat Shell dump and fill area; dominated by Serenoa and Quercus.
Reproductive State Fertile
Collector S. Todd 284
Collection Date 25 Jul 1974
Accession Number 112871
Image 112871.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Determination History
Helenium tenuifolium Nutt. - Determined By: Kral,
Locality USA. Florida , Lee Co. : 5 mi. NNW of Ft. Myers.
Habitat Loose roadside sands.
Reproductive State Fertile
Collector R. Kral 7575
Collection Date 01 Aug 1958
Accession Number 2422
Image 2422.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Sarasota Co. : Churchill Ranch on Border Road, part of Deer Prairie Creek Preserve, ca. 2.3 km ENE of junction I-75 and C-777 (River Road). T39S, R20E, Sec. 5. 27° 7' 3" N 82° 19' 40" W
Habitat Open area, trail among scrubby flatwoods.
Reproductive State Flower
Collector A. R. Franck 164
Collection Date 23 May 2007
Accession Number 246177
Image 246177.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: D. B. Ward,
Locality USA. Florida , Union Co. : 3.7 mi. by FL 241 N of Providence. T5S, R18E. 30° 0' 0" N 82° 31' 60" W
Description Rays and disk bright yellow; frequent.
Habitat Along dry roadside.
Reproductive State Flower
Collector D. B. Ward 1537
with S.S. Ward
Collection Date 19 Jul 1959
Accession Number 73694
Image 73694.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Determination History
Helenium tenuifolium Nutt.
Locality USA. Florida , Pinellas Co. : 3 mi. W of Tarpon Springs. 28° 1' 60" N 82° 34' 0" W
Description Rays yellow, disks slightly darker; leaves on lower part of stem withering.
Habitat Roadside.
Reproductive State Fertile
Collector G. R. Cooley 5742
with J. Monachino, R.J. Eaton
Collection Date 27 Mar 1958
Accession Number 4307
Image 4307.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Putnam Co. : Next to Old San Mateo Road, just SE of East Palatka; ca. 3.2 mi. NE of FL 100 E of Palatka and US 17. T10S, R27E, Sec. 31. 29° 38' 55" N 81° 38' 15" W
Description Common.
Habitat Pastures and road ditch.
Reproductive State Fertile
Collector C. Slaughter 12771
Collection Date 17 Aug 2001
Accession Number 231868
Image 231868.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Polk Co. : Avon Park Air Force Range. W of Frostproof Road at junction of Bravo Road. T32S, R30E, Sec. 18, SW¼ of SW¼. 27° 44' 45" N 81° 31' 50" W
Habitat High pineland.
Reproductive State Flower
Collector C. vanHoek 599
with B. Wargo
Collection Date 12 Jul 1996
Accession Number 251087
Image 251087.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , DeSoto Co. : 7 mi. from Arcadia on FL 70 E on Jackson Road. 27° 12' 57" N 81° 51' 30" W
Description Flower yellow.
Habitat Ditch bank.
Reproductive State Fertile
Collector A. Fulton 397
Collection Date 01 Dec 1978
Accession Number 140512
Image 140512.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: Wunderlin, 1976
Determination History
Helenium tenuifolium Nutt.
Locality USA. Florida , Leon Co. : Tallahassee. 30° 26' 18" N 84° 16' 51" W
Reproductive State Fertile
Collector W. G. Farlow
Collection Date Nov 1891
Accession Number 52975
Image 52975.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: Wunderlin, 1980
Determination History
Balduina angustifolia (Pursh) B. L. Rob.
Locality USA. Florida , Sarasota Co. : Longboat Key, SW end of key; adjacent to Gulf of Mexico. 29° 56' 60" N 85° 12' 0" W
Habitat Disturbed coastal site, sandy soil.
Reproductive State Flower
Collector J. Watson 31
Collection Date 05 Aug 1979
Accession Number 145872
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Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Calhoun Co. : Blountstown; Myers Dairy Road, 0.6 mi. N of Abe Springs Road. 30° 23' 57" N 85° 7' 42" W
Description Erect herb to 70 cm; yellow flowers; leaves scabridulous; locally common.
Habitat Disturbed 35 acre weedy, grassy field.
Reproductive State Fertile
Collector T. MacClendon 689
with K. MacClendon
Collection Date 16 Aug 2007
Accession Number 244210
Image 244210.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Highlands Co. : Avon Park Air Force Range. Boat ramp on Arbuckle Marsh at dead end of Ebersbach Road. T33S, R30E, unsectioned.
Habitat Marshy dike.
Reproductive State Flower
Collector C. vanHoek 585
with B. Wargo
Collection Date 28 Jun 1996
Accession Number 252392
Image 252392.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Charlotte Co. : Prairie/Shell Creek (Southwest Florida Water Management District property). Ca. 7 km NE of the junction of I-75 and US 17, ca. 12 km NE of Punta Gorda. T40S, R23E, Sec. 13, NE¼ of SE¼. 28° 0' 0" N 82° 0' 0" W
Habitat Disturbed flatwoods, along trail.
Reproductive State Flower
Collector A. R. Franck 1418
Collection Date 24 Aug 2009
Accession Number 252993
Image 252993.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Washington Co. : US 90 at Choctawhatchee River, along access road. 30° 46' 32" N 85° 49' 36" W
Habitat Edge of woods.
Reproductive State Flower
Collector W. D. Longbottom 24910
with D.H. Williams
Collection Date 18 May 2016
Accession Number 287307
Image 287307.JPG
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Okaloosa Co. : FL 189, 1 mi. N of Baker. 30° 46' 60" N 86° 40' 0" W
Description Herb 80 cm tall; flowers yellow.
Habitat Edge of cleared land, newly plowed.
Reproductive State Flower
Collector J. Watson 1666
with L. Besse
Collection Date 19 Aug 1983
Accession Number 287503
Image 287503.JPG
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: J. N. Burch,
Locality USA. Florida , Collier Co. : C-858 and Oil Grade Road.
Habitat Disturbed pine - cypress [Taxodium].
Reproductive State Fertile
Collector J. N. Burch
Collection Date 12 Aug 1987
Accession Number 289938
Image 289938.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: J.R. Campbell, 2017
Locality USA. Florida , Hillsborough Co. : Henry George Road, 2 mi. N of Keysville Road. 27° 51' 0" N 82° 4' 0" W
Reproductive State Flower
Collector M. Hudson
Collection Date 15 May 1961
Accession Number 296903
Image 296903.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Louisiana , Ouachita Par. : Cities Service WMA; 0.5 mi. S of junction with LA 134 and Swartz-Fairbanks Road; along logging road and pipeline. 32° 38' 60" N 92° 0' 0" W
Description Frequent.
Habitat Sandy loam.
Reproductive State Flower
Collector K. M. Ouchley
Collection Date 16 Aug 1978
Accession Number 144207
Image 144207.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Louisiana , Lincoln Par. : Siding of C.R.I. and P. Railroad just S of the LA Tech University campus. 32° 31' 60" N 92° 38' 0" W
Habitat Open vacant lot in sandy soil.
Reproductive State Flower
Collector R. W. Simmers
Collection Date 13 Sep 1972
Accession Number 114847
Image 114847.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Mississippi , Forrest Co. : Found S of Hattisburg; adjacent to US 49.
Habitat Field.
Reproductive State Flower
Collector J. Carlton
Collection Date 24 Jul 1974
Accession Number 159227
Image 159227.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: Wunderlin, 1976
Determination History
Helenium tenuifolium Nutt.
Locality USA. Arkansas , Washington Co. : Fayetteville.
Habitat Roadsides and waste spaces.
Reproductive State Flower
Collector F. L. Harvey
Collection Date 1889
Accession Number 50597
Image 50597.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. North Carolina , Carteret Co. : US 70; 7 mi. W of Morehead City.
Description Rays and disks yellow.
Habitat Moist sandy ditch.
Reproductive State Flower
Collector H. S. Daoud
Collection Date 23 Jul 1959
Accession Number 41041
Image 41041.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Louisiana , Cameron Par. : 2 mi. ESE of Rockefeller Wildlife Refuge headquarters along LA 82 and into Refuge marshlands.
Description Branched herb ca. 30-40 cm tall; disc and ray florets yellow.
Habitat Gravel little-used road bed.
Reproductive State Flower
Collector S. A. Thompson
with J.H. Nishida
Collection Date 08 Sep 1985
Accession Number 206606
Image 206606.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Alabama , Escambia Co. : In Riverview, along AL 41 ca. 4 mi. N of the state line.
Reproductive State Flower
Collector G. Wilhelm
Collection Date 27 Nov 1980
Accession Number 162903
Image 162903.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. South Carolina , Florence Co. : 5 mi. N of Florence, access road on E side of I-95, 0.5 mi. from exit 169 (mile marker 169).
Habitat Edge of pinelands.
Reproductive State Flower
Collector R. P. Sauleda
with D.K. Sauleda
Collection Date 03 Sep 1980
Accession Number 162989
Image 162989.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Hernando Co. : Along US 41, 4 mi. N of Brooksville; Chinsegut Wildlife Refuge. 28° 33' 19" N 82° 23' 16" W
Description Commonly scattered throughout area.
Habitat Dry wooded ridge, live oak-turkey oak with pine.
Reproductive State Flower
Collector J. D. Ray, Jr.
Collection Date 14 Oct 1959
Accession Number 15363
Image 15363.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. South Carolina , Laurens Co. : Around abandoned Lifestock Center Inc. building, Yarborough Mll Road (SC 49) on south side of I-385. 6.9 km NE of Laurens. 34° 32' 10" N 81° 57' 15" W
Habitat Dry ground.
Reproductive State Flower
Elevation 190 to ft
Collector K. A. Bradley
Collection Date 22 Jun 2016
Accession Number 295466
Image 295466.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. South Carolina , Richland Co. : Edge of S Main Street near athletic dorm; USC, Columbia.
Description Frequent.
Habitat On gravelly ground.
Reproductive State Flower
Collector J. B. Nelson
Collection Date 01 Jul 1991
Accession Number 207081
Image 207081.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. South Carolina , Fairfield Co. : Ca. 1000 ft. SE of branch of Little River; 100 m. N of SC 205; 1 mi. NE of junction with SC 225; 3.75 mi. due NE of Monticello.
Description Sporadic.
Habitat In second growth pine woods on ridge.
Reproductive State Flower
Collector L. D. Lamb
with B. Steele, D.H. Rembert
Collection Date 22 Jun 1983
Accession Number 197557
Image 197557.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Louisiana , Vernon Par. : Lower part of parish N of DeRidder.
Description Disks mustard yellow, ray flowers yellow.
Reproductive State Flower
Collector G. R. Cooley
with L.J. Brass
Collection Date 28 Apr 1955
Accession Number 7638
Image 7638.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Alabama , Geneva Co. : River Road (dirt) ca. 3 mi. NE of AL 87. 31° 2' 19" N 86° 3' 50" W
Habitat Wet sandy roadside ditch in full sun.
Reproductive State Flower
Elevation 118 to ft
Collector A. R. Diamond
with P.C. Harris
Collection Date 28 Aug 2008
Accession Number 271225
Image 271225.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Mississippi , Harrison Co. : Gulfport, roadside beach at junction of US 90 and road to White Cap restaurant.
Habitat Plants that were not mowed to 18 in.
Reproductive State Flower
Collector C. Hermann
Collection Date 15 Jul 1984
Accession Number 198338
Image 198338.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Georgia , Crisp Co. : 4.5 mi. WNW of Cordele.
Habitat Dry roadside.
Reproductive State Flower
Collector R. L. Lane, Jr.
Collection Date 10 Jun 1967
Accession Number 161712
Image 161712.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Louisiana , Lincoln Par. : Junction of Bernard Street and Illinois Central Railroad in the E section of Ruston. 32° 32' 60" N 92° 43' 0" W
Reproductive State Flower
Collector M. B. Copeland
Collection Date 15 Sep 1975
Accession Number 122287
Image 122287.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. South Carolina , Greenwood Co. : Near the beaver dam; 0.5 mi. E of US 25; 5 mi. S of Greenwood.
Habitat Along dry roadside; clay soil.
Reproductive State Flower
Collector C. A. Aulbach-Smith
Collection Date 06 Sep 1976
Accession Number 125186
Image 125186.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Louisiana , St. Tammany Par. : Slidell; North shore off US 11 at public beach near fire house.
Reproductive State Flower
Collector C. Hermann
Collection Date 20 Jul 1984
Accession Number 198251
Image 198251.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Mississippi , Simpson Co. : Along US 49, 1 mi. S of junction with MS 28; Magee city limits.
Reproductive State Flower
Collector R. P. Sauleda
with D.K. Sauleda
Collection Date 13 Sep 1981
Accession Number 297561
Image 297561.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock
Locality USA. Florida , Hillsborough Co. : Apollo Beach Nature Preserve, Apollo Beach. 24° 47' 23" N 82° 25' 7" W
Description Common.
Habitat Disturbed coastal area.
Reproductive State Flower
Collector S. Dickman
Collection Date 21 Sep 2010
Accession Number 298058
Image 298058.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: C. vanHoek, 2018
Locality USA. Florida , Calhoun Co. : C-274.
Reproductive State Flower
Collector C. F. Caudle
with M.L. Gilbert, M.S. Tisdale
Collection Date 11 Jun 1964
Accession Number 298483
Image 298483.jpg
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: C. vanHoek, 2018
Determination History
Helenium tenuifolium Nutt.
Locality USA. Florida , Orange Co. : Orlando. 28° 32' 18" N 81° 22' 45" W
Habitat Waste ground.
Reproductive State Flower
Collector M. Mulvania
Collection Date 25 Jun 1930
Accession Number 287055
Image 287055.JPG
Plant Atlas Link Plant Atlas Citation

Helenium amarum
Family Name Asteraceae
Currently Accepted Name Helenium amarum (Raf.) H. Rock - Determined By: C. vanHoek, 2020
Locality USA. Florida , Wakulla Co. : St. Mark's lighthouse.
Reproductive State Flower
Collector C. F. Caudle
with M.L. Gilbert, M.S. Tisdale
Collection Date 12 Jun 1964
Accession Number 301052
Image 301052.jpg
Plant Atlas Link Plant Atlas Citation