Hydrilla verticillata (L.f.) Royle
Family: Hydrocharitaceae
hydrilla, water-thyme
Hydrilla verticillata image
Michael Lo  
Hydrilla verticillata image
University of Wisconsin-Stevens Point, Robert W. Freckmann Herbarium (UWSP)  
Hydrilla verticillata image
Hydrilla verticillata image
Hydrilla verticillata image
Hydrilla verticillata image
Michael Lo  
Hydrilla verticillata image
Hydrilla verticillata image
Hydrilla verticillata image
Hydrilla verticillata image
Hydrilla verticillata image
Hydrilla verticillata image