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Hydrilla verticillata - The Perfect Aquatic Weed - http://plants.ifas.ufl.edu/node/184
History of its introduction into the United States, environmental impact, and management options. |
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Hydrilla verticillata: Hydrilla - http://www.sms.si.edu/irlspec/Hydrilla_verticillata.htm
Photographs and information on this aquatic weed, including its taxonomy, description, habitat, distribution, life history, population biology, physical tolerances, community ecology and invasion information. |
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Hydrilla verticillata - http://www.ecy.wa.gov/programs/wq/plants/weeds/aqua001.html
Technical information on this invasive waterweed, its description, economic importance, distribution, biology and control. |
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Exotic Aquatics of the Gulf Coast: Water Thyme (Hydrilla verticillata) - http://lamer.lsu.edu/exotics/hydrilla/
Louisiana State University provides general information, the history of this submersed waterweed in the United States, and its impact on the environment. |
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Hydrilla verticillata - http://untamedscience.com/biodiversity/plants/flowering-plants/monocots/alismatales/hydrocharitaceae/hydrilla/hydrilla
Provides information on this invasive weed with a short video description. Includes a current distribution maps of Hydrilla in the USA. |