| hydrilla | USDA PLANTS Symbol: HYVE3 U.S. Nativity: Exotic Habit: Aquatic |
| Hydrilla verticillata (L. f.) Royle | |
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Taxonomic Rank: Liliopsida: Hydrocharitales: Hydrocharitaceae |
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| Synonym(s): Florida elodea, water thyme, waterthyme | |
| Native Range: Europe; Old World (BAIL); |
| U.S. State(s) where reported invasive: |
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| U.S. National Parks where reported invasive: |
| Colonial National Historical Park (Virginia) George Washington Memorial Parkway (Virginia) National Capital Parks East (Washington, D.C.) |
