[Specimen details]

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Lake Co. : Clearwater Lake. T17S, R28E, Sec. 30. 27° 57' 54" N 82° 54' 40" W
Reproductive State Flower
Collector R. F. Daubenmire
with J. Daubenmire
Collection Date 17 Oct 1987
Accession Number 200869
Image 200869.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium gronovii L.
Locality USA. Florida , Polk Co. : Lake Iris.
Habitat Oak and palmetto, high terrace.
Reproductive State Flower
Collector O. K. Lakela 23285
Collection Date 04 Sep 1960
Accession Number 20314
Image 20314.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium gronovii L.
Locality USA. Florida , Putnam Co. : N of FL 310, ca. 5 mi. T11S, R25E, Sec. 37[?]. 29° 33' 0" N 81° 48' 40" W
Description Infrequent.
Habitat Pond pine [Pinus serotina] stand; with much Lyonia lucida, Serenoa, Ilex glabra.
Reproductive State Flower
Collector S. T. Cooper 631
with D.L. Martin
Collection Date 06 Jun 1975
Accession Number 121184
Image 121184.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium gronovii L.
Locality USA. Florida , Hernando Co. : Chinsegut Hill Refuge.
Description Infrequent.
Habitat Mature pine wood, weedy hardwood understory; weedy margin of wood road.
Reproductive State Flower
Collector J. D. Ray, Jr. 9437
Collection Date 03 Sep 1959
Accession Number 14996
Image 14996.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium venosum L.
Locality USA. Florida , Highlands Co. : 2 mi. S of Sebring, south shore of Rex Beach Lake. 27° 29' 44" N 81° 26' 27" W
Habitat Grassy sand with slash pine [Pinus elliottii].
Reproductive State Flower
Collector J. D. Ray, Jr. 9726
with H.A. Gleason, R.J. Eaton
Collection Date 25 Apr 1960
Accession Number 22448
Image 22448.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium venosum L.
Locality USA. Florida , Pinellas Co. : Clearwater, FL 588, 0.5 mi. W of US 19. 27° 57' 54" N 82° 54' 40" W
Habitat Pinelands.
Reproductive State Flower
Collector P. Genelle 191
with G. Fleming
Collection Date 19 Apr 1970
Accession Number 90377
Image 90377.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1981
Determination History
Hieracium gronovii L.
Locality USA. Florida , Hillsborough Co. : University of South Florida Ecological Area. 28° 0' 0" N 82° 0' 0" W
Description Yellow flowers.
Habitat Edge of pine woodlands.
Reproductive State Fruit
Collector J. Kuczynski 6
Collection Date 29 Sep 1977
Accession Number 139612
Image 139612.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Highlands Co. : Archbold Biological Station. 8 mi. S of Lake Placid. 27° 10' 0" N 81° 20' 60" W
Description Plentiful; erect 50–70 cm; leaves green or reddish-purple, hairs black, glandular at base; florest yellow, pappus stramineous.
Habitat Pinelands.
Reproductive State Flower
Collector L. J. Brass 14772
Collection Date 09 Mar 1945
Accession Number 136241
Image 136241.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Glades Co. : Palmdale. 26° 55' 60" N 81° 17' 60" W
Description Abundant; stem purplish; florets yellow; pappus brownish.
Habitat Grassy roadside on prairie.
Reproductive State Flower Fruit
Collector L. J. Brass 32958
Collection Date 20 Mar 1963
Accession Number 136199
Image 136199.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Hillsborough Co. : Margin of Fishhawk Creek at Boyette Road, ca. 2 mi. S of Lithia Station. 27° 49' 0" N 82° 13' 0" W
Habitat Sand scrub mergin with wet woods.
Reproductive State Flower
Collector D. W. Crewz 1221
with S. Mortellaro, B. Kutash
Collection Date 07 Apr 1978
Accession Number 131621
Image 131621.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Clay Co. : Ca. 3.5 mi. ENE of junction of FL 100 and FL 21, ca. 0.25 mi. SSE of Silver Sands Lake (Ten Mile Pond), N side of Overlook Terrace, E of Silver Sands Lake Dr. T8S, R23E, Sec. 14, SW¼. 27° 55' 35" N 82° 30' 54" W
Description Occasional; erect.
Habitat Relatively undisturbed sandhill with interrupted (discontinued) fire cycle; sporadic residences nearby.
Reproductive State Flower
Collector J. M. Kunzer 716
Collection Date 08 Oct 2004
Accession Number 239698
Image 239698.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium gronovii L.
Locality USA. Florida , Manatee Co. : Palmetto; home site. 27° 31' 17" N 82° 34' 20" W
Description Flowers yellow.
Reproductive State Flower
Collector G. E. Moore 46
Collection Date 24 Apr 1959
Accession Number 10176
Image 10176.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium gronovii L. - Determined By: G. R. Cooley,
Locality USA. Florida , Alachua Co. : FL 325, ca. 1 mi. S of FL 20.
Description Herb 4–5 dm tall; leaves long pilose; flowers yellow.
Habitat Sandy area along roadside.
Reproductive State Flower
Collector G. T. Crosby 298
with W.G. D'Arcy
Collection Date 11 Jun 1966
Accession Number 77576
Image 77576.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1992
Determination History
Hieracium gronovii L.
Locality USA. Florida , Manatee Co. : Wingate Creek State Park. Burn zone 2A. T35S, R22E, Sec. 7.
Description Forb to 1 m tall; uncommon.
Habitat Ruderal.
Reproductive State Flower
Collector J. Weber
Collection Date 14 Mar 1991
Accession Number 204854
Image 204854.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium gronovii L.
Locality USA. Florida , Hernando Co. : Weeki Wachee; FL 595.
Habitat Roadside, wet area.
Reproductive State Flower
Collector G. Fleming 1016
with P. Genelle
Collection Date 27 Sep 1971
Accession Number 97658
Image 97658.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Pinellas Co. : Caladesi Island State Park. Burn zone CI-6 SE, along nature trail. T28S, R15E, Sec. 29, NE¼ of SE¼ of NW¼.
Description Erect to 60 cm; occasional.
Habitat Coastal strand.
Reproductive State Fruit
Collector S. Cole
with J. Miller
Collection Date 08 Apr 1994
Accession Number 212701
Image 212701.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium gronovii L.
Locality USA. Florida , Seminole Co. : Southern outskirts of Sanford. 28° 48' 2" N 81° 16' 23" W
Description Ray and disk flowers yellow.
Habitat Pinelands.
Reproductive State Flower
Collector G. R. Cooley 7576
with R.J. Eaton, J.D. Ray, Jr.
Collection Date 03 May 1960
Accession Number 18802
Image 18802.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium venosum L. - Determined By: G. R. Cooley, 1963
Locality USA. Florida , Volusia Co. : Ormond and vicinity. 29° 16' 60" N 81° 2' 60" W
Habitat Roadside.
Reproductive State Flower
Collector B. Ames
Collection Date 24 Mar 1918
Accession Number 251645
Image 251645.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Hillsborough Co. : Little Manatee River State Park. N section of Mustang Trail. T32S, R19E, Sec. 25, NW¼ of SW¼. 27° 28' 60" N 82° 10' 60" W
Description Forb to 0.3 m.
Habitat Scrubby flatwoods.
Reproductive State Flower
Collector J. Myers 24
with S. Marchesi
Collection Date 08 May 1998
Accession Number 230964
Image 230964.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium venosum L.
Locality USA. Florida , Levy Co. : 1 mi. N of Citrus Co. line. 28° 52' 0" N 82° 27' 0" W
Description Ray and disk flowers yellow.
Habitat Pinewood.
Reproductive State Flower
Collector G. R. Cooley 5944
with C.E. Wood, Jr., K.A. Wilson
Collection Date 23 Apr 1958
Accession Number 4321
Image 4321.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: B. F. Hansen, 1992
Determination History
Hieracium gronovii L.
Locality USA. Florida , Collier Co. : Collier-Seminole State Park. Burn zone 9, S side of Old Marco Road. T51S, R27E, Sec. 28. 26° 7' 60" N 81° 28' 60" W
Description Forb to 1 m tall; uncommon.
Habitat Disturbed.
Reproductive State Flower
Collector J. Weber
Collection Date 24 Apr 1991
Accession Number 202573
Image 202573.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Pasco Co. : Starkey Wilderness Park. 2.5 mi. NNW of Odessa. T26S, R17E, Sec. 4, SW¼ of SE¼. 28° 11' 38" N 82° 35' 30" W
Habitat Mesic flatwoods.
Reproductive State Flower
Collector E. M. Ferguson 174
with J.M. Kunzer
Collection Date 01 Jul 2003
Accession Number 240220
Image 240220.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Polk Co. : Avon Park Air Force Range. Ca. 0.91 mi. SE of Old Bravo and Alpha Roads junction; Alpha Scrub - Scrubby Flatwoods.
Habitat Scrubby flatwoods. Soils - Pomello (Arenic Haplohumods).
Reproductive State Flower
Collector S. L. Orzell 22246
with E.L. Bridges
Collection Date 15 Aug 1993
Accession Number 232675
Image 232675.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Suwannee Co. : Ichetucknee Springs State Park. 6 mi. NW of Fort White off C-238; ca. 0.9 mi. SW of N entrance in N half of section 2B. T6S, R15E, Sec. 12.
Description Herb; stems maroon with long scattered hairs; leaves with long hairs on margins; ray flowers yellow; frequent.
Habitat Sandhill; with Andropogon virginicus.
Reproductive State Flower
Collector B. J. Herring 247
with D. Herring
Collection Date 25 May 1991
Accession Number 211330
Image 211330.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Locality USA. Florida , Highlands Co. : Rex Beach. 29° 37' 0" N 82° 4' 60" W
Description Florets young; pappus becomes white.
Habitat Grassy border; with Emilia.
Reproductive State Flower
Collector O. K. Lakela 23768
Collection Date 25 Feb 1961
Accession Number 24173
Image 24173.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium gronovii L.
Locality USA. Florida , Osceola Co. : N side of FL 532, ca. 1 mi. E of I-4.
Habitat Turkey oak [Quercus laevis], longleaf pine [Pinus palustris], bluejack oak [Q. incana], sand live oak [Q. geminata] dominated sandhill.
Reproductive State Flower
Collector R. P. Wunderlin 5801
with A.G. Shuey
Collection Date 25 Jun 1977
Accession Number 127619
Image 127619.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: B. F. Hansen, Mar 2009
Determination History
Hieracium gronovii L.
Locality USA. Florida , Sarasota Co. : Oscar Scherer State Park. Wedge of 16B near park pond, burned 5 weeks previous. T38S, R18E, Sec. 12, NE¼ of SW¼ of SE¼.
Habitat Mesic flatwoods.
Reproductive State Flower
Collector E. Gandy
Collection Date 15 Nov 2007
Accession Number 248589
Image 248589.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Hillsborough Co. : Balm-Boyette Tract, 2.5 mi. S of Boyette. T31S, R21E, Sec. 17, SE¼ of SE¼. 27° 49' 0" N 82° 13' 0" W
Reproductive State Flower
Collector S. Landry
with C. Vandaveer
Collection Date 24 Mar 1995
Accession Number 221919
Image 221919.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Hillsborough Co. : Balm-Boyette Tract, 3.5 mi. SE of Boyette. T31S, R21E, Sec. 22, NW¼ of NE¼. 27° 49' 0" N 82° 13' 0" W
Reproductive State Flower
Collector S. Landry
with C. Vandaveer
Collection Date 21 Apr 1995
Accession Number 222117
Image 222117.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium argyraeum Small - Determined By: S. H. Elam,
Locality USA. Florida , Glades Co. : 0.5 mi. W of Palmdale and US 27, 6 mi. S of Highlands Co. line. T41S, R30E, Sec. 4. 26° 55' 60" N 81° 17' 60" W
Description Rays yellow; common; achenes 4 mm long; pappus near-white.
Habitat Moist sandy area in open grazed area.
Reproductive State Flower
Collector D. B. Ward
with BTY 421
Collection Date 02 Apr 1960
Accession Number 59098
Image 59098.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Lake Co. : Ocala National Forest. Along FL 72, SE of Lake Dorr. 29° 11' 14" N 82° 8' 24" W
Habitat Dry longleaf pine [Pinus palustris] - live oak [Quercus virginiana] - turkey oak [Q. laevis] - palmetto sand ridge.
Reproductive State Fruit
Collector J. D. Ray, Jr. 9834
with G.R. Cooley
Collection Date 17 May 1960
Accession Number 20463
Image 20463.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Bradford Co. : 4.75 mi. N of Starke. 29° 56' 39" N 82° 6' 35" W
Habitat Sandy open field.
Reproductive State Flower
Collector G. R. Cooley 1218
Collection Date 12 Apr 1952
Accession Number 4319
Image 4319.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Highlands Co. : Lake June-in-Winter Scrub State Park. Along path to lake. T36S, R29E, Sec. 33, SE¼ of SE¼.
Habitat Scrubby flatwoods.
Reproductive State Flower
Collector D. Stark
with A. Peters
Collection Date 06 Mar 2001
Accession Number 233631
Image 233631.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Wakulla Co. : St. Marks.
Habitat Burned over slash pine [Pinus elliottii] forest.
Reproductive State Flower
Collector R. K. Godfrey 69457
Collection Date 28 Apr 1970
Accession Number 91337
Image 91337.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Wakulla Co. : St. Marks.
Habitat Open live oak [Quercus virginiana] hammock.
Reproductive State Flower
Collector R. K. Godfrey 62735
Collection Date 03 May 1963
Accession Number 59052
Image 59052.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Pinellas Co. : Brooker Creek Preserve. Ca. 4 mi. N of Oldsmar. T27S, R16E, Sec. 36, NW¼. 28° 2' 3" N 82° 39' 54" W
Habitat Wet pine - palmetto flatwoods along powerline.
Reproductive State Flower Fruit
Collector B. F. Hansen 12229
with R.P. Wunderlin, P. Dooris
Collection Date 12 May 1993
Accession Number 207720
Image 207720.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Miami-Dade Co. : Old Cutler Road, S Coral Gables. 25° 36' 54" N 80° 18' 38" W
Habitat Pineland.
Reproductive State Fruit
Collector O. K. Lakela 30447
with F. Almeda
Collection Date 20 Dec 1966
Accession Number 78743
Image 78743.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Collier Co. : 1 mi. E of North Naples on FL 846. 26° 8' 31" N 81° 47' 41" W
Habitat Trailside in palmetto scrub.
Reproductive State Flower Fruit
Collector O. K. Lakela 30933
Collection Date 07 Aug 1967
Accession Number 80663
Image 80663.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Polk Co. : Fort Meade.
Reproductive State Flower
Collector O. E. Jennings 7845
with G.K. Jennings
Collection Date 23–31 Dec 1925
Accession Number 251647
Image 251647.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Collier Co. : Naples. 26° 8' 31" N 81° 47' 41" W
Habitat Hammock.
Reproductive State Flower
Collector O. K. Lakela 30671
Collection Date 05 Mar 1967
Accession Number 79682
Image 79682.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Wakulla Co. : Between Panacea and Ochlockonee River. 30° 2' 15" N 84° 23' 16" W
Habitat Longleaf pine [Pinus palustris], scrub oak sand ridges.
Reproductive State Flower
Collector R. K. Godfrey 59489
Collection Date 30 Apr 1960
Accession Number 19965
Image 19965.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Miami-Dade Co. : Little River [Now Miami]. 25° 46' 27" N 80° 11' 37" W
Reproductive State Immature Fruit
Collector C. Simpson
with P.S. Brayton
Collection Date Mar 1916
Accession Number 89876
Image 89876.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Polk Co. : Fort Meade.
Reproductive State Flower
Collector O. E. Jennings
with G.K. Jennings
Collection Date 5–31 Jul 1934
Accession Number 55625
Image 55625.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Lee Co. : North Ft. Myers, US 41, 1st billboard N of Tamiami Village. 25° 45' 31" N 80° 23' 54" W
Reproductive State Fruit
Collector E. Brown
Collection Date 29 Apr 1985
Accession Number 186371
Image 186371.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1986
Determination History
Hieracium gronovii L.
Locality USA. Florida , Citrus Co. : Crystal River, C-494, 0.7 mi. W of US 19.
Reproductive State Flower
Collector M. E. Schmid
Collection Date 17 May 1983
Accession Number 180481
Image 180481.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Hernando Co. : T21S, R17E, Sec. 36.
Description Flowers yellow.
Habitat Among thickets of Serenoa in pine flatwood.
Reproductive State Flower
Collector G. R. Cooley 6036
with C.E. Wood, Jr., K.A. Wilson
Collection Date 28 Apr 1958
Accession Number 6419
Image 6419.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium venosum L.
Locality USA. Florida , Osceola Co. : 4 mi. S of St. Cloud.
Habitat Low ground along roadside.
Reproductive State Flower
Collector G. R. Cooley 1034
Collection Date 27 Feb 1952
Accession Number 4323
Image 4323.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium venosum L.
Locality USA. Florida , Hernando Co. : Withlacoochee State Forest. 28° 21' 0" N 81° 49' 0" W
Habitat Sandy pineland; Pinus elliottii.
Reproductive State Flower Fruit
Collector G. Fleming 1793
with P. Genelle
Collection Date 05 May 1973
Accession Number 104797
Image 104797.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium argyreum Small
Locality USA. Florida , Collier Co. : N of Naples, ca. 1 mi. S of Lee Co. line; W and E sides of US 41. 26° 8' 31" N 81° 47' 41" W
Habitat Mostly Ceratiola - Pinus scrub.
Reproductive State Flower
Collector O. K. Lakela 28701
Collection Date 30 May 1965
Accession Number 64972
Image 64972.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Highlands Co. : Avon Park Air Force Bombing Range; 100–500 m NNW of junction of Kissimmee Road and Old Bravo Road. T33S, R30E, Sec. 1. 28° 17' 28" N 81° 24' 25" W
Habitat Turkey oak [Quercus laevis] scrub.
Reproductive State Flower
Collector D. R. Lindsey 516
with S. Upchurch
Collection Date 15 May 1981
Accession Number 168744
Image 168744.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium gronovii L.
Locality USA. Florida , Hillsborough Co. : University of South Florida Ecological Research Area, N of University of South Florida campus. 28° 0' 0" N 82° 0' 0" W
Habitat Pine - oak scrub.
Reproductive State Flower
Collector R. P. Wunderlin 5609
with L. Musselman, R. Hilsenbeck
Collection Date 10 Jun 1976
Accession Number 123422
Image 123422.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: B. F. Hansen, Sep 2000
Determination History
Hieracium gronovii L.
Locality USA. Florida , Alachua Co. : Next to C-1475, Windsor; just E of Lochloosa Creek; 2 mi. SW of US 301, 4 mi. SE of FL 26. T10S, R22E, Sec. 6. 29° 30' 42" N 82° 6' 1" W
Habitat Wet seepage slope; slash pine [Pinus elliottii] plantation.
Reproductive State Flower
Collector C. Slaughter 11433
Collection Date 04 Mar 2000
Accession Number 226161
Image 226161.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 13-Mar-1980
Determination History
Hieracium gronovii L.
Locality USA. Florida , Manatee Co. : W side of US 301, 1.5 mi. S of Hillsborough Co. line. T33S, R19E, Sec. 3. 27° 55' 0" N 82° 20' 60" W
Habitat Edge of wet prairie - cypress head.
Reproductive State Flower
Collector R. P. Sauleda 3308
Collection Date 17 Jan 1980
Accession Number 144704
Image 144704.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Hillsborough Co. : Little Manatee River State Park. Oxbow Nature Trail, N section. T32S, R19E, Sec. 23, SE¼ of SW¼. 27° 28' 60" N 82° 10' 60" W
Habitat Scrub.
Reproductive State Flower
Collector J. Myers 341
Collection Date 11 Apr 1999
Accession Number 232857
Image 232857.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Miami-Dade Co. : Montgomery Foundation, Old Cutler Road. 25° 36' 54" N 80° 18' 38" W
Description Flowers yellow.
Habitat Burnt-over pinelands.
Reproductive State Flower
Collector D. S. Correll 52028
with H.B. Correll, J. Popenoe
Collection Date 01 Jun 1981
Accession Number 155926
Image 155926.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium venosum L.
Locality USA. Florida , Citrus Co. : Chassahowitzka. 28° 41' 60" N 82° 34' 0" W
Habitat Open meadow.
Reproductive State Flower
Collector G. Fleming 1244
with P. Genelle
Collection Date 30 Apr 1972
Accession Number 101064
Image 101064.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium gronovii L.
Locality USA. Florida , Lake Co. : 2 mi. W of Tavares. 28° 48' 15" N 81° 43' 32" W
Description Flowers yellow.
Habitat Dry hammock.
Reproductive State Flower
Collector G. R. Cooley 7366
with R.J. Eaton
Collection Date 29 Apr 1960
Accession Number 60675
Image 60675.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium argyraeum Small
Locality USA. Florida , Pasco Co. : Ca. 2 mi. S of Wilson Haven off US 41. 28° 37' 60" N 80° 40' 60" W
Habitat Secondary longleaf pine [Pinus palustris] - bluejack oak [Quercus incana] low, dry, sandy ridge; with Liatris, Eupatorium, Aristida, Elephantopus elatus, Eriogonum tomentosum, Vernonia angustifolia, palmetto.
Reproductive State Fruit
Collector O. K. Lakela 24038
Collection Date 27 Apr 1961
Accession Number 29331
Image 29331.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium venosum L.
Locality USA. Florida , Charlotte Co. : S of Punta Gorda, off US 41.
Habitat Prairie; dry partly cleared slope and grassy berm, adjoing shore of Typha - Pontederia swamp.
Reproductive State Fruit
Collector O. K. Lakela 27110
Collection Date 22 Apr 1964
Accession Number 59664
Image 59664.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium venosum L.
Locality USA. Florida , Manatee Co. : FL 64, 22 mi. E of Bradenton. 27° 29' 56" N 82° 34' 29" W
Habitat Roadside.
Reproductive State Flower
Collector G. Fleming 2046
with P. Genelle
Collection Date 27 Apr 1975
Accession Number 119885
Image 119885.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium venosum L.
Locality USA. Florida , Hillsborough Co. : New University of South Florida campus. 28° 0' 0" N 82° 0' 0" W
Description Flowers yellow; pappus faintly tawny.
Reproductive State Flower
Collector G. R. Cooley 5688
with J. Monachino
Collection Date 24 Mar 1958
Accession Number 4322
Image 4322.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: B. F. Hansen, Mar 2005
Determination History
Erigeron quercifolius
Locality USA. Florida , Martin Co. : Jonathan Dickinson State Park. E of stables.
Habitat Disturbed sites.
Reproductive State Flower
Collector R. O. Woodbury
with R. Roberts
Collection Date Apr 1988
Accession Number 244714
Image 244714.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1981
Determination History
Hieracium gronovii L.
Locality USA. Florida , Polk Co. : Green Swamp.
Habitat Pine flatwoods.
Reproductive State Flower
Collector T. F. Rochow
Collection Date 02 Apr 1980
Accession Number 154576
Image 154576.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1981
Determination History
Hieracium gronovii L.
Locality USA. Florida , Hardee Co. : C-665, 2.2 mi. S of junction with FL 64. T35S, R23E, Sec. 8.
Habitat Roadside.
Reproductive State Flower Immature Fruit
Collector G. H. Robinson 114
with B.F. Hansen
Collection Date 09 Apr 1981
Accession Number 156906
Image 156906.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium venosum L.
Locality USA. Florida , Hernando Co. : Chinsegut Hill, along US 41.
Description Ray flowers yellow; calyx brown.
Habitat Old fields and openings in pinewood.
Reproductive State Flower
Collector G. R. Cooley 6263
Collection Date 13 May 1958
Accession Number 4320
Image 4320.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium venosum L.
Locality USA. Florida , Volusia Co. : Lake Helen. 30° 18' 0" N 84° 24' 0" W
Habitat Terrace; dry soil on oak-studded lawn.
Reproductive State Flower
Collector O. K. Lakela 32055
Collection Date 15 Jul 1970
Accession Number 91545
Image 91545.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Sarasota Co. : Churchill Ranch. 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.
Habitat Scrubby flatwoods.
Reproductive State Flower Fruit
Collector A. R. Franck 256
with J.M. Kunzer
Collection Date 21 Jun 2007
Accession Number 245996
Image 245996.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , St. Johns Co. : Between US 1 and railroad, N edge of St. Augustine. 27° 51' 34" N 82° 5' 7" W
Description Flowers yellow.
Habitat Open grasslands.
Reproductive State Flower
Collector D. S. Correll 53632
with J. Popenoe
Collection Date 15 Apr 1982
Accession Number 167266
Image 167266.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1980
Determination History
Hieracium gronovii L.
Locality USA. Florida , Hillsborough Co. : Hillsborough River State Park. 20 mi. NE of Tampa on US 301. T27S, R21E, Secs. 7, 8, and 9. 27° 55' 0" N 82° 20' 60" W
Reproductive State Flower
Collector A. N. Arcuri 410
Collection Date 12 Jul 1977
Accession Number 148480
Image 148480.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Hillsborough Co. : E of N 30th Street behind Gates Apartments; N Tampa. 27° 56' 51" N 82° 27' 30" W
Habitat Pineland.
Reproductive State Flower
Collector S. Mortellaro 204
with D.W. Crewz
Collection Date 05 May 1978
Accession Number 131831
Image 131831.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Hillsborough Co. : Corner of Hutchinson and Armisted Lane, 2.1 mi. N of Ehrlich Road.
Habitat Sandhill community.
Reproductive State Fruit
Collector R. P. Wunderlin 7554
Collection Date 21 Apr 1979
Accession Number 143559
Image 143559.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium argyraeum Small
Locality USA. Florida , Hillsborough Co. : N of Fletcher Avenue, W of 30th Street; Tampa. 27° 56' 51" N 82° 27' 30" W
Description Frequent; pappus ultimately white; pubescence white.
Habitat Flat longleaf pine [Pinus palustris] lands; dry grassy openings Buchnera and Tradescantia.
Reproductive State Flower Fruit
Collector O. K. Lakela 24942
Collection Date 15 Apr 1962
Accession Number 46376
Image 46376.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: B. F. Hansen, Mar 2007
Determination History
Hieracium gronovii L.
Locality USA. Florida , Manatee Co. : South Fork State Park. T33S, R21E, Sec 18, NE¼ of SW¼ of NE¼.
Habitat Sandhill.
Reproductive State Flower
Collector E. Jensen
with C. Becker
Collection Date 04 Apr 2006
Accession Number 243775
Image 243775.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , DeSoto Co. : Deep Creek Preserve. Ca. 900 ha on W side of Peace River, ca. 4.5 km Ne of junction I-75 and Kings Highway. 27° 2' 0" N 82° 0' 0" W
Habitat Mesic flatwoods.
Reproductive State Flower
Collector A. R. Franck 1079
Collection Date 13 Nov 2008
Accession Number 247446
Image 247446.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Pasco Co. : Starkey Wilderness Park. 2.5 mi. NNW of Odessa. T26S, R17E, Sec. 4, SW¼ of SE¼. 28° 11' 38" N 82° 35' 30" W
Habitat Mesic flatwoods.
Reproductive State Flower
Collector E. M. Ferguson 193
with J.M. Kunzer
Collection Date 01 Jul 2003
Accession Number 250158
Image 250158.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Pasco Co. : Starkey Wilderness Park. 2.5 mi. NNW of Odessa. T26S, R17E, Sec. 10, NW¼ of SW¼. 28° 11' 38" N 82° 35' 30" W
Habitat Mesic flatwoods.
Reproductive State Flower
Collector E. M. Ferguson 260
Collection Date 21 Jul 2003
Accession Number 250157
Image 250157.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Pasco Co. : Starkey Wilderness Park. 2.5 mi. NNW of Odessa. T26S, R17E, Sec. 10, SW¼ of SE¼. 28° 11' 38" N 82° 35' 30" W
Habitat Mesic flatwoods.
Reproductive State Flower
Collector E. M. Ferguson 264
Collection Date 22 Jul 2003
Accession Number 250159
Image 250159.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Sarasota Co. : Oscar Scherer State Park. 100 m S of bench 5A. T38S, R18E, Sec. 12, NW¼ of SE¼ of SE¼.
Habitat Mesic flatwoods.
Reproductive State Fruit
Collector D. B. Griffin
Collection Date 03 May 2007
Accession Number 244563
Image 244563.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Hillsborough Co. : Hillsborough River State Park. N side of Old Ft. King Trail, ca. 800 ft. W of US 301. T27S, R21E, Sec. 17, NW¼. 27° 55' 0" N 82° 20' 60" W
Habitat Mesic flatwoods; dry, sunny.
Reproductive State Flower
Collector C. vanHoek
with G. Parsons
Collection Date 02 May 2008
Accession Number 248737
Image 248737.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Polk Co. : Avon Park Air Force Range. Arnold Hammock; ca. 400 ft. SW of Frostproof Road at point ca. 0.7 mi. NW of Willingham Road. T32S, R29E, Sec. 11, SE¼ of NE¼. 27° 44' 45" N 81° 31' 50" W
Habitat Scrub.
Reproductive State Flower
Collector C. vanHoek 1062
with B. Wargo
Collection Date 14 Mar 1998
Accession Number 250641
Image 250641.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium gronovii L.
Locality USA. Florida , Wakulla Co. : Prope [near] St. Marks.
Habitat Locis siccis camporum [Location dry plains].
Reproductive State
Collector F. I. X. Rugel
Collection Date May 1843
Accession Number 66335
Image 66335.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1983
Determination History
Hieracium gronovii L.
Locality USA. Florida , Pinellas Co. : Moccasin Lake Park. 2750 Park Trail Lane, Clearwater Magnolia Trail. 27° 57' 54" N 82° 54' 40" W
Habitat Disturbed.
Reproductive State Flower
Collector G. Fleming 3552
Collection Date 29 Apr 1983
Accession Number 171225
Image 171225.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, Oct 1979
Determination History
Hieracium grononovii L.
Locality USA. Florida , Martin Co. : Jonathan Dickinson State Park. Near Kitching's Creek.
Description Common.
Habitat Pine flatwoods.
Reproductive State Flower Fruit
Collector J. Popenoe 1674
Collection Date 21 Apr 1979
Accession Number 145840
Image 145840.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Sarasota Co. : Along E side of Verna Road, 2 mi. N of the junction with FL 780; 1.5 mi. S of the Manatee County line. T36S, R20E, Sec. 12, NW¼ ofSW¼. 27° 22' 60" N 82° 16' 0" W
Habitat Roadside ditch and thicket.
Reproductive State Bud Flower
Collector B. F. Hansen 6881
with R.P. Sauleda
Collection Date 08 Feb 1980
Accession Number 144291
Image 144291.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium grononovii L.
Locality USA. Florida , Pinellas Co. : NE of Clearwater, C-588, W of US 19. 27° 57' 54" N 82° 54' 40" W
Reproductive State Bud Flower Fruit
Collector P. Genelle 364
with G. Fleming
Collection Date 15 Oct 1970
Accession Number 91995
Image 91995.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium venosum L.
Locality USA. Florida , Levy Co. : T16S, R16E, Sec. 34.
Description Ray flowers a vivid greenish-yellow, Munsell hue 7.5Y 8/12.
Habitat In low, open pinelands.
Reproductive State Bud Flower
Collector G. R. Cooley 6506
with R.J. Eaton
Collection Date 25 Apr 1959
Accession Number 9463
Image 9463.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium sp.
Hieracium argyraeum Small - Determined By: Lakela, 17-Sep-1965
Locality USA. Florida , Manatee Co. : 12 meilen uber der mundung des Manattee River [12 mi. above the mouth of the Manatee River]. 27° 30' 0" N 82° 16' 60" W
Description Endemic; mature pappus white.
Habitat In Tannenwaldung [pine flatwoods].
Reproductive State Bud Flower Fruit
Collector F. I. X. Rugel 139
Collection Date Jun 1845
Accession Number 66387
Image 66387.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1978
Determination History
Hieracium argyraeum Small
Locality USA. Florida , Hillsborough Co. : Hillsborough River State Park. NE of Tampa, off US 301. 27° 55' 0" N 82° 20' 60" W
Description Foliage white hirsute.
Habitat With Chrysopsis in a hammock, mostly of longleaf pine [Pinus palustris] and Quercus spp.
Reproductive State Bud Flower Fruit
Collector O. K. Lakela 26683
Collection Date 28 Nov 1963
Accession Number 56805
Image 56805.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Citrus Co. : Crystal River, along US 19 and C-494.
Reproductive State Bud Flower Fruit
Collector M. E. Schmid
Collection Date 24 Apr 1984
Accession Number 177714
Image 177714.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Pinellas Co. : E of Safety Harbor Fire Station # 2 on C-611 (C-593).
Habitat Edge of the pinelands.
Reproductive State Bud Flower Fruit
Collector G. Fleming 4046
Collection Date 07 May 1988
Accession Number 196266
Image 196266.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1984
Determination History
Hieracium argyraeum Small
Locality USA. Florida , Hillsborough Co. : Gunn Highway [C-587].
Reproductive State Bud Flower Fruit
Collector C. T. Reed
Collection Date 31 Mar 1963
Accession Number 175683
Image 175683.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: Wunderlin, 1984
Determination History
Gynura aurantiaca (Blume) DC.
Locality USA. Florida , Pasco Co. : FL 54, 4.5 mi. E of US 41.
Reproductive State Bud Flower
Collector M. J. Kuck
Collection Date 06 Nov 1963
Accession Number 175809
Image 175809.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Polk Co. : Avon Park Air Force Range. Ca. 0.1 air mi. W of Hard Luck Road at a point 0.9 mi. S of Roberts Road. T32S, R31E, Sec. 35, SE¼ of NE¼. 28° 2' 13" N 82° 10' 7" W
Habitat Dry pineland (burned 4 Feb 1997).
Reproductive State Flower
Collector C. vanHoek 917
with B. Wargo
Collection Date 25 Apr 1997
Accession Number 251835
Image 251835.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Duval Co. : Sawmill Slough Preserve. N end of the North-South Road on the University of North Florida campus. 28° 0' 0" N 82° 0' 0" W
Description A few plants found in a recent planting of native grasses and wildflowers, presumably it arrived with nursery grown plants; all observed plants were removed from the site; small herbaceous plant, flower stalk 14 in. tall; leaves basal, pubescens, medium green; flowers yellow.
Habitat High sand ridge.
Reproductive State Flower
Collector F. Chim 7
with C. Hubboch
Collection Date 18 Mar 2009
Accession Number 252686
Image 252686.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Polk Co. : Colt Creek State Park. Ca. 1.2 km SE of the FL 471 bridge over the Withlacoochee River, ca. 6 km NNE of the junction of FL 471 and US 98. 18° 18' 9" N 82° 3' 2" W
Habitat Poorly drained flatwoods.
Reproductive State Flower Fruit
Collector J. M. Kunzer 2333
with A. Bard, S. Spaulding
Collection Date 03 Apr 2008
Accession Number 252930
Image 252930.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Charlotte Co. : Prairie/Shell Creek (Southwest Florida Water Management District property); 80 m S of Royal Palm Drive, 2.35 km W of US 17. 26° 59' 57" N 81° 58' 59" W
Habitat Maritime hammock and flatwoods transition.
Reproductive State Flower
Collector A. R. Franck 1938
Collection Date 29 Apr 2010
Accession Number 254331
Image 254331.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Glades Co. : Fisheating Creek Wildlife Management Area. 1.1 km E of US 27, 0.45 km N of Fisheating Creek. 26° 56' 19" N 81° 18' 19" W
Habitat Xeric hammock, transition from dry prairie to floodplain.
Reproductive State Fruit
Collector A. R. Franck 2189
Collection Date 30 May 2010
Accession Number 254608
Image 254608.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Martin Co. : Jonathan Dickinson State Park. W of picnic area. 27° 45' 0" N 82° 7' 60" W
Habitat Wet flatwoods.
Reproductive State Fruit
Collector R. O. Woodbury
with R. Roberts
Collection Date Apr 1989
Accession Number 255114
Image 255114.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: B. F. Hansen, May 2011
Determination History
Hieracium gronovii L.
Locality USA. Florida , Hardee Co. : Paynes Creek Historic State Park. Along Azalea Trail. T33S, R25E, Sec. 9, SE¼.
Habitat Mesic flatwoods.
Reproductive State Flower Fruit
Collector A. Bishop
with K. Alvarez
Collection Date 16 Apr 2004
Accession Number 259079
Image 259079.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Manatee Co. : Lake Manatee State Park. Burn zone 2, between Gopher Trail and Poley Branch. T34S, R20E, Sec. 31, NE¼ of NW¼ of SE¼. 27° 30' 0" N 82° 16' 60" W
Habitat Mesic flatwoods.
Reproductive State Fruit
Collector A. Bishop
Collection Date 14 May 2004
Accession Number 260158
Image 260158.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: S. B. Davis,
Locality USA. Florida , Lake Co. : Along a small lake on Leg 1 - 80100, 3 mi. E of US 441Alt, 6 mi. N of Leesburg. 28° 48' 39" N 81° 52' 40" W
Description Few plants.
Habitat Open scrub.
Reproductive State Fruit
Collector L. Baltzell 7182
Collection Date 13 Apr 1975
Accession Number 263718
Image 263718.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: S. B. Davis,
Locality USA. Florida , Hernando Co. : Withlacoochee State Forest. Along a State Forest Road in Indianhouse Swamp, 1.8 mi. NO f FL 50, 2.5 mi. NW of Richloam. 28° 30' 0" N 82° 5' 60" W
Description Several scattered plants; flowers yellow.
Reproductive State Flower
Collector L. Baltzell 9965
Collection Date 09 Oct 1977
Accession Number 263854
Image 263854.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Union Co. : SW 44th Avenue, ca. 200-250 m N of its intersection with SW 76th Trail, ca. 1.2 km S of FL 238 (C-241). 29° 59' 33" N 82° 32' 51" W
Habitat Weedy roadside ditch.
Reproductive State Flower Fruit
Collector D. H. Williams 3822
with H.L. Williams
Collection Date 09 Aug 2013
Accession Number 270300
Image 270300.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: B. F. Hansen, Feb 2015
Determination History
Hieracium gronovii L.
Locality USA. Florida , Hardee Co. : Paynes Creek Historic State Park. Ca. 0.15 mi. E of Edison Arenue, 0.10 mi. S of citrus plantation. 27° 37' 14" N 81° 48' 55" W
Habitat Sandy disturbed site next to trail.
Reproductive State Flower
Collector R. E. O'Donovan 26
with P. Simoes
Collection Date 12 Dec 2014
Accession Number 277831
Image 277831.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Polk Co. : Crooked Lake Sandhill, Polk County Environmental Lands. 27° 48' 47" N 81° 32' 58" W
Habitat Sandhill community with yellow sand.
Reproductive State Flower
Collector J. R. Campbell 3
Collection Date 18 Jun 2015
Accession Number 283126
Image 283126.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash - Determined By: J. N. Burch,
Locality USA. Florida , Collier Co. : E of Airport Road, N of Government Complex. T50S, R25E, Sec. 12.
Habitat Disturbed palmetto [Serenoa repens] scrub.
Reproductive State Fertile
Collector J. N. Burch
Collection Date 17 Apr 1991
Accession Number 289955
Image 289955.jpg
Plant Atlas Link Plant Atlas Citation

Hieracium megacephalon
Family Name Asteraceae
Currently Accepted Name Hieracium megacephalon Nash
Locality USA. Florida , Hillsborough Co. : Blackwater Creek Nature Preserve, Palinestro Road of FL 39, Plant City; SW edge of BWC-7a. 28° 7' 40" N 82° 9' 36" W
Habitat Between wetland margin and hiking trail; with Persicaria hydropiperoides and Cyperus sesquiflorus.
Reproductive State Flower
Elevation 9 to m
Collector K. S. Alavarado
Collection Date 12 May 2021
Accession Number 302136
Image 302136.jpg
Plant Atlas Link Plant Atlas Citation