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Definition of Hydrilla verticillata
1. Noun. Submersed plant with whorled lanceolate leaves and solitary axillary flowers; Old World plant naturalized in southern United States and clogging Florida's waterways.
Exact synonyms: Hydrilla
Group relationships: Genus Hydrilla
Generic synonyms: Aquatic Plant, Hydrophyte, Hydrophytic Plant, Water Plant
Group relationships: Genus Hydrilla
Generic synonyms: Aquatic Plant, Hydrophyte, Hydrophytic Plant, Water Plant