Alternanthera philoxeroides

Characteristics
Dicots
Alternanthera philoxeroides (Mart.)Griseb.
ALLIGATORWEED
**
**
Not Native OBL (NWPL) FISC(II) OBL (DEP)
**
Classification
CARYOPHYLLALES
Alternanthera philoxeroides (Mart.)Griseb. - ALLIGATORWEED
Citation
ALTERNANTHERA PHILOXEROIDES (Martius) Grisebach, Abh. Königl. Ges. Wiss. Göttingen 24: 36. 1879.
Bucholzia philoxeroides Martius 1826.
BRAZIL: Without data, Sellow s.n. (lectotype: BR). Lectotypified by Pedersen, Darwiniana 14: 440. 1967.
Species Distribution Map

Based on vouchered plant specimens from wild populations. Cultivated occurrences are not mapped. Click on a county to display its name.

Legend

County
County - Species Present
Source
County
Herbaria
Literature Citation (If Applicable)
Alachua
FLAS
 
Baker
USF
 
Bay
FSU
 
Bradford
FLAS
 
Brevard
USF
 
Broward
USF
 
Calhoun
USF
 
Charlotte
USF
 
Citrus
FLAS
 
Clay
USF
 
Synonyms
Synonym
Full Citation
Basionym
Type
Achyranthes philoxeroides
Achyranthes philoxeroides (Martius) Standley, J. Wash. Acad. Sci. 5: 74. 1915.
BASIONYM: Bucholzia philoxeroides Martius 1826.
 
Alternanthera paludosa
Alternanthera paludosa Bunbury, Proc. Linn. Soc. London 1: 109. 1841.
 
TYPE: ARGENTINA: Buenos Aires, Bunbury s.n. (holotype: ?; isotype: BR).
Alternanthera philoxerina
Alternanthera philoxerina Suessenguth, Repert. Spec. Nov. Regni Veg. 35: 303. 1934.
 
TYPE: BRAZIL: São Paulo: Asplund IX, 1921 (holotype: S).
Alternanthera philoxeroides forma angustifolia
Alternanthera philoxeroides (Martius) Grisebach, forma angustifolia Suessenguth, Repert. Spec. Nov. Regni Veg. 35: 303. 1934.
 
TYPE: PARAGUAY: Without data, Hassler 2141 (holotype: ?; isotypes: GH, K, NY, P).
Alternanthera philoxeroides var. acutifolia
Alternanthera philoxeroides (Martius) Grisebach, var. acutifolia (Martius ex Moquin-Tandon) Hicken, Apuntes Hist. Nat. 2: 94. 1910.
BASIONYM: Telanthera philoxeroides (Martius) Moquin-Tandon, var. acutifolia Martius ex Moquin-Tandon 1849.
 
Alternanthera philoxeroides var. lancifolia
Alternanthera philoxeroides (Martius) Grisebach, var. lancifolia Chodat, Bull. Soc. Bot. Genève, ser. 2. 18: 257. 1927.
 
 
Alternanthera philoxeroides var. luxurians
Alternanthera philoxeroides (Martius) Grisebach, var. luxurians Suessenguth, Mitt. Bot. Staatssamml. München 1: 68. 1950.
 
TYPE: ARGENTINA: Formosa: Pilcomayo, Morel 1247 (holotype: M).
Alternanthera philoxeroides var. obtusifolia
Alternanthera philoxeroides (Martius) Grisebach, var. obtusifolia Hicken, Apuntes Hist. Nat. 2: 94. 1910, nom. inadmiss.
BASIONYM: Telanthera philoxeroides (Martius) Moquin-Tandon, var. obtusifolia Martius ex Moquin-Tandon 1849, nom. inadmiss.; Bucholzia philoxeroides Martius 1826.
 
Bucholzia philoxeroides
Bucholzia philoxeroides Martius, Nova Acta Phys.-Med. Acad. Caes. Leop.-Carol. Nat. Cur. 13(1): 315. 1826.
 
TYPE: BRAZIL: Without data, Sellow s.n. (lectotype: BR). Lectotypified by Pedersen, Darwiniana 14: 440. 1967.
Telanthera philoxeroides
Telanthera philoxeroides (Martius) Moquin-Tandon, in de Candolle, Prodr. 13(2): 362. 1849.
BASIONYM: Bucholzia philoxeroides Martius 1826.
 
Specimens and Distribution

Click on an Accession Number to view additional details about the specimen.

Counties listed: Baker, Beaufort, Berkeley, Brevard, Broward, Bryan, Calhoun, Charleston, Charlotte, Clay, Collier, DeSoto, East Baton Rouge Par., Fayette, Forrest, Franklin, Gilchrist, Glades, Greene, Gulf, Hamilton, Hardee, Harrison, Hillsborough, Horry, Jackson, La Fourche Par., Lake, Laurens, Leon, Madison, Marion, Miami-Dade, Nassau, New Orleans Par., Orange, Orleans Par., Ouachita Par., Palm Beach, Pasco, Pinellas, Polk, Richland, St. Johns, Sumter, Union, Volusia

Range of years during which specimens were collected: 1928 - 2019

Accession No.
Country
State
County
Collection Date
Collector & Collection No
Notes
Image
USA
Alabama
Fayette Co.
09 Jul 1997
R. R. Haynes
USA
Alabama
Greene Co.
10 May 1981
R. D. Whetstone
 
USA
Alabama
Jackson Co.
29 Sep 2001
D. E. Giannasi
Alligator-weed.
USA
Alabama
Madison Co.
30 Sep 2001
D. E. Giannasi
Alligator-weed.
USA
Florida
Baker Co.
12 Jul 1984
10203
B. F. Hansen
USA
Florida
Brevard Co.
22 Apr 2003
167
T. MacClendon
USA
Florida
Brevard Co.
10 May 2010
P. A. Schmalzer
USA
Florida
Brevard Co.
26 May 1973
C. C. Carter
USA
Florida
Broward Co.
30 Jun 1999
240
P. L. Howell
USA
Florida
Calhoun Co.
09 Jul 1957
55577
R. K. Godfrey
Plant Photos
Alternanthera philoxeroides - 31
Alternanthera_philoxeroides2.jpg
Alternanthera philoxeroides - 56
Alternanthera_philoxeroides3.jpg
Alternanthera philoxeroides - 69
Alternanthera_philoxeroides9.jpg
Alternanthera philoxeroides - 69
Alternanthera_philoxeroides8.jpg
Alternanthera philoxeroides - 86
Alternanthera_philoxeroides.jpg
Alternanthera philoxeroides - 166
Alternanthera_philoxeroides4.jpg
Alternanthera philoxeroides - 200
Alternanthera_philoxeroides6.jpg
Alternanthera philoxeroides - 200
Alternanthera_philoxeroides7.jpg
Alternanthera philoxeroides - 270
Alternanthera_philoxeroides5.jpg