| alligatorweed | USDA PLANTS Symbol: ALPH U.S. Nativity: Exotic Habit: Aquatic |
| Alternanthera philoxeroides (Mart.) Griseb. | |
|
Taxonomic Rank: Magnoliopsida: Caryophyllales: Amaranthaceae |
|
| Synonym(s): alligator weed, pig weed | |
| Native Range: So. Amer. (GRIN); |
| U.S. State(s) where reported invasive: |
| U.S. National Parks where reported invasive: |
| Colonial National Historical Park (Virginia) |










