Alternanthera philoxeroides

ClassificationDicots
FamilyAmaranthaceae
Family (Traditional)Amaranthaceae
GenusAlternanthera
SpeciesAlternanthera philoxeroides (Mart.) Griseb.
Common Namealligatorweed
Growth Habitforb
Plant NotesTN-IPPC Rank: Established Threat
Leaf Persistance: Deciduous; Habit: forb; Woody/Herbaceous: herbaceous; Terrestrial/Aquatic: Terrestrial;
Leaf Arrangement: Opposite; Simple/Compound: Simple; Leaf Complexity: 0; Leaf Type: Broadleaf;
Hypanthium: No; Perianth Absent: No; Flower Color2: White; Fruit Color: ;
*Average C-Value: 0.0
C value N/A
StatusNot Native; AGCP (OBL), EMP (OBL) (NWPL); TN[SNA] KY[SNA] (State Rank); GNR (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Featured Plant Photo

Currently no photos are available for this plant.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
Ecoregions
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim

Synonyms

No synonyms exist for this species.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Calloway (KY), Lyon (KY), Marshall (KY), Trigg (KY), Benton (TN), Davidson (TN), Hamilton (TN), Hardin (TN), Henry (TN), Houston (TN), Humphreys (TN), Knox (TN), Marion (TN), Meigs (TN), Perry (TN), Rhea (TN), Rutherford (TN), Shelby (TN), Stewart (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, BOON, EKY, TENN, UCHT, VDB

Range of years during which specimens were collected: 1974 - 2012

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
31234100193034 Marshall Kentucky 16 Sep 1993 Randy L. Mears
93-99
EKY
Alternanthera philoxeroides
BEREA001397 Calloway Kentucky
BEREA
Alternanthera philoxeroides
TENN-V-0090966 Hamilton Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0242146 Hamilton Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0090974 Rhea Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0090963 Benton Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0090977 Stewart Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0090970 Marion Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0242145 Marion Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0090971 Marion Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0090975 Rutherford Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0090976 Shelby Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0090964 Benton Tennessee
TENN
Alternanthera philoxeroides
UCHT011049 Marion Tennessee
UCHT
Alternanthera philoxeroides
BEREA001395 Calloway Kentucky
BEREA
Alternanthera philoxeroides
BEREA001396 Calloway Kentucky
BEREA
Alternanthera philoxeroides
TENN-V-0090965 Benton Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0090967 Hardin Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0242154 Hardin Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0090968 Henry Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0090973 Perry Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0090972 Meigs Tennessee
TENN
Alternanthera philoxeroides
TENN-V-0090969 Knox Tennessee
TENN
Alternanthera philoxeroides
UCHT011051 Marion Tennessee
UCHT
Alternanthera philoxeroides
UCHT011048 Houston Tennessee
UCHT
Alternanthera philoxeroides
APSC0024858 Marion Tennessee
APSC
Alternanthera philoxeroides
APSC0030642 Lyon Kentucky
APSC
Alternanthera philoxeroides
APSC0030654 Houston Tennessee
APSC
Alternanthera philoxeroides
010645 Calloway Kentucky 05 Jun 2006 Derick B. Poindexter
06-134
BOON
Alternanthera philoxeroides
APSC0030644 Trigg Kentucky
APSC
Alternanthera philoxeroides
APSC0030648 Lyon Kentucky
APSC
Alternanthera philoxeroides
APSC0030665 Rutherford Tennessee
APSC
Alternanthera philoxeroides
APSC0030664 Stewart Tennessee
APSC
Alternanthera philoxeroides
APSC0100904 Marion Tennessee
APSC
Alternanthera philoxeroides
APSC0030661 Henry Tennessee
APSC
Alternanthera philoxeroides
APSC0086823 Houston Tennessee
APSC
Alternanthera philoxeroides
APSC0030647 Stewart Tennessee
APSC
Alternanthera philoxeroides
APSC0030652 Hamilton Tennessee
APSC
Alternanthera philoxeroides
APSC0030643 Trigg Kentucky
APSC
Alternanthera philoxeroides
APSC0030645 Stewart Tennessee
APSC
Alternanthera philoxeroides
APSC0030657 Benton Tennessee
APSC
Alternanthera philoxeroides
APSC0030650 Trigg Kentucky
APSC
Alternanthera philoxeroides
APSC0100897 Hardin Tennessee 29 Jun 2012 David H. Webb
APSC
Alternanthera philoxeroides
APSC0073650 Marshall Kentucky
APSC
Alternanthera philoxeroides
APSC0030649 Stewart Tennessee
APSC
Alternanthera philoxeroides
APSC0030666 Knox Tennessee
APSC
Alternanthera philoxeroides
APSC0030641 Stewart Tennessee
APSC
Alternanthera philoxeroides
APSC0030662 Humphreys Tennessee
APSC
Alternanthera philoxeroides
APSC0030663 Humphreys Tennessee
APSC
Alternanthera philoxeroides
APSC0030646 Lyon Kentucky
APSC
Alternanthera philoxeroides
BRIT68381 Rhea Tennessee 10 Jul 1985 David H. Webb
5132
VDB
Alternanthera philoxeroides
BRIT68388 Hardin Tennessee 27 May 1985 David H. Webb
5109
VDB
Alternanthera philoxeroides
BRIT68385 Houston Tennessee 20 Jul 1994 R. Kral
83831
VDB
Alternanthera philoxeroides
BRIT68389 Davidson Tennessee 18 Jul 1974 R. Kral
53665
VDB
Alternanthera philoxeroides
BRIT68387 Hardin Tennessee 19 Aug 1981 David H. Webb
4214
VDB
Alternanthera philoxeroides
APSC0030658 Benton Tennessee
APSC
Alternanthera philoxeroides
BRIT68386 Henry Tennessee 29 Jun 1981 David H. Webb
4105
VDB
Alternanthera philoxeroides
BRIT68380 Stewart Tennessee 02 Jul 1986 David H. Webb
5232
VDB
Alternanthera philoxeroides
BRIT68384 Humphreys Tennessee 01 Oct 1978 David H. Webb
1743
VDB
Alternanthera philoxeroides
BRIT68382 Meigs Tennessee 10 Jul 1985 David H. Webb
5129
VDB
Alternanthera philoxeroides
BRIT68383 Knox Tennessee 28 Jun 1975 W. Michael Dennis
51720
VDB
Alternanthera philoxeroides
BRIT68390 Benton Tennessee 23 Aug 1978 David H. Webb
1367
VDB
Alternanthera philoxeroides
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