[Specimen details]

Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet
Locality USA. Florida , Pinellas Co. : Little Bayou Park. E of junction of 4th Street S and 54th Avenue S, pond on Little Bayou Creek. 27° 43' 7" N 82° 38' 13" W
Habitat Open water pond; with Alternanthera philoxeroides, Pistia stratiotes.
Reproductive State Fertile
Specimen Notes
Collector R. Chicone
Collection Date 20 Apr 2010
Accession Number 257183
Image 257183.jpg
Plant Atlas Link Plant Atlas Citation

Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: B. F. Hansen, Jul 2000
Determination History
Ludwigia hexapetala (Hook. & Arn.) Zardini et al.
Locality USA. Florida , Pinellas Co. : Sawgrass Lake. T30S, R16E, Sec. 26. 30° 11' 34" N 81° 22' 14" W
Description Herb, abundant.
Habitat Throughout lake.
Reproductive State Fertile
Specimen Notes
Collector K. Wiggins
Collection Date 17 Jun 1992
Accession Number 213935
Image 213935.jpg
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Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet
Locality USA. Florida , Broward Co. : Maple Ridge development, 3800 block of Griffin Road, Hollywood. T50S, R42E, Sec. 31. 26° 0' 40" N 80° 8' 58" W
Habitat Wetland replacement area.
Reproductive State Fertile
Specimen Notes
Collector J. Lange
Collection Date Jun 2001
Accession Number 266924
Image 266924.jpg
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Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet
Locality USA. Florida , Hillsborough Co. : Crosstown Center, E side of US 301, S of FL 60.
Habitat Shallow wet muck.
Reproductive State Fertile
Specimen Notes
Collector D. Richardson
Collection Date 08 May 2001
Accession Number 229065
Image 229065.jpg
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Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: P. H. Raven, 24-Oct-1988
Determination History
Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: D. W. Hall,
Locality USA. Florida , Columbia Co. : Lake City area; Lake Montgomery in Lake City. 28° 1' 16" N 82° 24' 44" W
Description Flowers yellow; locally common.
Habitat Several lakes; shallow water and shore line.
Reproductive State Fertile
Specimen Notes
Collector J. Hinkle
Collection Date 09 Jun 1988
Accession Number 198701
Image 198701.jpg
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Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: B. F. Hansen, Jul 2000
Determination History
Ludwigia uruguayensis (Cambess.) H. Hara
Ludwigia hexapetala (Hook. & Arn.) Zardini et al. - Determined By: Zardini, 1986
Locality USA. Florida , Santa Rosa Co. : S edge of Milton, along FL 191, Pill Branch, near the bridge. 30° 37' 57" N 87° 2' 23" W
Reproductive State Fertile
Specimen Notes
Collector G. Wilhelm
Collection Date 19 Jun 1981
Accession Number 167449
Image 167449.jpg
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Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: A. R. Franck, 13-Feb-2013
Determination History
Ludwigia leptocarpa (Nutt.) H. Hara
Locality USA. Florida , Clay Co. : Along C-739, 0.5 mi. SW of junction with C-209; ca. 6.5 mi. E of Middleburg. T5S, R25E, Sec. 39. 30° 4' 8" N 81° 51' 37" W
Habitat Edge of maple [Acer] forest.
Reproductive State Fertile
Specimen Notes
Collector R. P. Sauleda
with M. Ragan
Collection Date 21 Jun 1981
Accession Number 157492
Image 157492.jpg
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Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet
Locality USA. Florida , Union Co. : Just W of boat ramp at Lake Butler, ca. 0.25 mi. N of fl 100 and ca. 1.2 mi. NW of the FL 100 and FL 121 intersection. 30° 1' 40" N 82° 20' 37" W
Description Common.
Habitat In shallow water, mixed with Panicum repens.
Reproductive State Flower
Specimen Notes
Collector C. Slaughter 18021
with D. Hall, K. Ponzio, T. Miller, L. McCloud
Collection Date 26 Jun 2013
Accession Number 271309
Image 271309.jpg
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Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet
Locality USA. Florida , Miami-Dade Co. : Along S edge of SW 392nd Street, W of 192nd Avenue. 27° 51' 34" N 82° 5' 7" W
Habitat In canal.
Reproductive State Flower
Specimen Notes
Collector K. A. Bradley 2682
Collection Date 19 Aug 2009
Accession Number 280994
Image 280994.jpg
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Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet
Determination History
Ludwigia uruguayensis (Cambess.) H. Hara
Locality USA. Louisiana , Lafourche Par. : Lake Boeuf and vicinity.
Description Common; flowers bright yellow.
Habitat At edge of bayou.
Reproductive State
Specimen Notes
Collector S. D. White
with C. Hermann
Collection Date 20 Jun 1984
Accession Number 198234
Image 198234.JPG
Plant Atlas Link Plant Atlas Citation

Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: B. F. Hansen, 1992
Determination History
Ludwigia uruguayensis (Cambess.) H. Hara
Locality USA. South Carolina , Sumter Co. : Lake Marion; ca. 2.2 mi. SW of Sparkleberry Public Library; Moores Run; ca. 0.1 mi. NE of the Santee River channel.
Description Late summer form; petals 4-6; bright yellow; 1.4-2.4 cm long.
Habitat Rooted and emersed in 7 ft. of water.
Reproductive State
Specimen Notes
Collector G. W. Long
with R. Harvey
Collection Date 03 Aug 1984
Accession Number 205121
Image 205121.JPG
Plant Atlas Link Plant Atlas Citation

Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet
Determination History
Ludwigia uruguayensis (Cambess.) H. Hara
Locality USA. South Carolina , Anderson Co. : 18 mi. Creek embayment; N side of Fants Grove Road; Pendleton.
Description Flowers yellow; orange tint at center; abundant aquatic herb; floating in large mats; fertile stems emergent 2-3 ft.
Reproductive State
Specimen Notes
Collector S. R. Hill
with R. Gossett
Collection Date 22 Jul 1993
Accession Number 213494
Image 213494.JPG
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Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet
Determination History
Jussiaea grandiflora Michx.
Ludwigia peploides glabrescens Kuntze Shinners
Locality USA. Georgia , McIntosh Co. : Near S end of Sapelo Island.
Description Stems weak, arching, branching to form dense masses; petals yellow to 22mm long.
Habitat In margin of freshwater lake fed by artesian wells.
Reproductive State
Specimen Notes
Collector W. H. Duncan
Collection Date 11 Jul 1956
Accession Number 8938
Image 8938.JPG
Plant Atlas Link Plant Atlas Citation

Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet
Determination History
Jussieuia grandiflora Michx.
Ludwigia peploides glabrescens Kuntze Shinners
Locality USA. Georgia , McIntosh Co. : Near S end of Sapelo Island.
Description Stems weak, arching, branching to form dense masses; petals yellow, to 22mm long.
Habitat In margin of fresh water lake, fed by artesian wells.
Reproductive State
Specimen Notes
Collector W. H. Duncan
Collection Date 11 Jul 1956
Accession Number 62155
Image 62155.JPG
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Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: A. R. Franck, 25-Jan-2018
Determination History
Ludwigia uruguayensis (Cambess.) H. Hara
Ludwigia hexapetala (Hook. & Arn.) Zardini et al.
Locality USA. South Carolina , Richland Co. : Saluda River, 200 yds. W of the confluence with the Broad River, 0.25 mi. ESE of the Riverbanks Zoo.
Description Abundant.
Habitat In sandy, open flood plain area.
Reproductive State
Specimen Notes
Collector C. Aulbach-Smith
with V. Hollowell
Collection Date 29 Jul 1980
Accession Number 183801
Image 183801.JPG
Plant Atlas Link Plant Atlas Citation

Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: A. R. Franck, 25-Jan-2018
Determination History
Ludwigia uruguayensis (Cambess.) H. Hara
Ludwigia hexapetala (Hook. & Arn.) Zardini et al. - Determined By: Zardini, 1986
Locality USA. North Carolina , Hyde Co. : Near US 264, 0.4 mi. W of New Holland.
Habitat Ditch.
Reproductive State
Specimen Notes
Collector A. E. Radford
Collection Date 07 Aug 1958
Accession Number 14531
Image 14531.JPG
Plant Atlas Link Plant Atlas Citation

Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: A. R. Franck, 25-Jan-2018
Determination History
Jussiaea uruguayensis Cambess.
Ludwigia hexapetala (Hook. & Arn.) Zardini et al.
Locality USA. North Carolina , Wake Co. : Junction of US 401 and 70 in Raleigh.
Habitat In ditch.
Reproductive State
Specimen Notes
Collector H. E. Ahles
with J. Haesloop
Collection Date 23 Jun 1960
Accession Number 109908
Image 109908.JPG
Plant Atlas Link Plant Atlas Citation

Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: A. R. Franck, 25-Jan-2018
Determination History
Ludwigia uruguayensis (Cambess.) H. Hara
Jussiaea uruguayensis Cambess.
Ludwigia hexapetala (Hook. & Arn.) Zardini et al. - Determined By: Zardini, 1986
Locality USA. North Carolina 1 mi. N of US 17 on Wrightsboro Road.
Habitat Pool.
Reproductive State
Specimen Notes
Collector A. E. Radford
Collection Date 03 Jun 1949
Accession Number 78260
Image 78260.JPG
Plant Atlas Link Plant Atlas Citation

Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: A. R. Franck, 25-Jan-2018
Determination History
Ludwigia uruguayensis (Cambess.) H. Hara
Ludwigia hexapetala (Hook. & Arn.) Zardini et al. - Determined By: Zardini, 1986
Locality USA. North Carolina , Wake Co. : Junction of US 401 and 70 in Raleigh.
Habitat In ditch.
Reproductive State Flower
Specimen Notes
Collector H. E. Ahles
with J. Haesloop
Collection Date 23 Jun 1960
Accession Number 45521
Image 45521.JPG
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Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: C. C. Jacono, Jun 2000
Locality USA. Florida , Alachua Co. : Southern public boat ramp accessed from US 301, Lake Alto.
Description Locally abundant; leaves 8-9 cm long, (0.6)0.7-0.9(1) mm wide; petals yellow, 16-20 mm long, the sepals 11-13.5 mm long.
Habitat ALong ramp bank and extending into lake as floating mats.
Reproductive State Flower
Specimen Notes
Collector C. C. Jacono
Collection Date 05 Jun 2000
Accession Number 302991
Image 302991.jpg
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Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: B. F. Hansen, Apr 2022
Determination History
Ludwigia grandiflora (Michx.) Greuter & Burdet hexapetala Hook. & Arn. G.L.Nesom & Kartesz - Determined By: C. C. Jacono, 01 Nov 2011
Locality USA. Florida , Osceola Co. : E shoreline, Cypress Lake. 28° 3' 47" N 81° 20' 19" W
Description Abundant, creeping on and twining into Scirus beds, decumbent and erect stems of the emergent form with moderately villous stems below, becoming densely villous nearing stem tip.
Habitat Expansive zone of Scirpus californicus.
Reproductive State Flower
Specimen Notes
Collector C. C. Jacono
with T. Coughlin, M. Scott
Collection Date 24 Sep 2011
Accession Number 302993
Image 302993.jpg
Plant Atlas Link Plant Atlas Citation

Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: B. F. Hansen, Apr 2022
Determination History
Ludwigia grandiflora (Michx.) Greuter & Burdet hexapetala Hook. & Arn. G.L.Nesom & Kartesz - Determined By: C. C. Jacono, 01-Nov-2011
Locality USA. Florida , Osceola Co. : Lake Kissimmee. 27° 56' 56" N 81° 19' 58" W
Description Abundant floating beds of primarily erect, emergent stems; flowers yellow.
Habitat Deep water marsh.
Reproductive State Flower
Specimen Notes
Collector C. C. Jacono
with T. Coughlin, M. Scott
Collection Date 24 Sep 2011
Accession Number 302992
Image 302992.jpg
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Ludwigia grandiflora
Family Name Onagraceae
Currently Accepted Name Ludwigia grandiflora (Michx.) Greuter & Burdet - Determined By: C. C. Jacono, 06-Aug-2011
Locality USA. Florida , Osceola Co. : Grassy Island marsh, Lake Kissimmee. 27° 55' 49" N 81° 17' 32" W
Description Covering ca. 70-80% of the 700 acrea area; abundant beds of floating plants with inflated, decumbent and glabrous stems rooting at the nodes, producing erect, sparsely hirsute stems with emergent leaves and flowers; aquatic leaves glabrous with midribs sparsely hirsute, the upper emergent leaves narrowly elliptic, sparsely hirsute, the hairs denser along lower mid-vein, the tips glandular mucronate; peduncle 21(28) mm long, the sepals 5, 1.2 mm long, petals (13.5)15(16) mm long, the hypanthium 8(9) mm, densely hirsute.
Habitat Marsh, with Micranthemum umbrosum.
Reproductive State Flower
Specimen Notes
Collector J. Andreas
Collection Date 04 Aug 2011
Accession Number 303169
Image 303169.jpg
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