Hawaiian Ecosystems at Risk project (HEAR)

Hydrilla verticillata
(Hydrocharitaceae)
Florida elodea, Indian stargrass, hydrilla, water thyme, water weed

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HEAR home  >  species info  >  plants  >  Hydrilla verticillata (Hydrocharitaceae)
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Species description or overview Taxonomy & nomenclature Impacts Control methods Images Distribution
Cited as invasive Books Full-text articles Experts Other resources  

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Hydrilla verticillata is native to warmer regions of the Old World. 

Species description or overview

Information about Hydrilla verticillata from IUCN's ISSG/GISD
Information about Adenanthera pavonina is available from the Global Invasive Species Database (GISD) (a product of IUCN's Invasive Species Specialist Group [ISSG]).

Hydrilla verticillata information from PIER
Information on Hydrilla verticillata as relevant to Pacific Islands is provided by the Pacific Island Ecosystems at Risk project (PIER).

Hydrilla verticillata description and ecology from GISD (ISSG)
A species description and information about the ecology of Hydrilla verticillata as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).

Taxonomy & nomenclature

GRIN nomenclature info for Hydrilla verticillata
Nomenclatural information about Hydrilla verticillata is provided by USDA/ARS/NGRP/GRIN.

Hydrilla verticillata information from ITIS
The Integrated Taxonomic Information System ITIS provides authoritative taxonomic information on Hydrilla verticillata, as well as other plants, animals, fungi, and microbes of North America and the world.

IPNI nomenclature info for Hydrilla verticillata
Nomenclatural information about Hydrilla verticillata is provided by The International Plant Names Index (IPNI).

Impacts

Hydrilla verticillata (Hydrocharitaceae): species information from GCW
Information on Hydrilla verticillata as relevant to Pacific Islands is provided by the Global Compendium of Weeds (GCW).

Hydrilla verticillata impact information from GISD (ISSG)
Impact information regarding Hydrilla verticillata as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).

Control methods

Hydrilla verticillata management information from GISD (ISSG)
Management information for Hydrilla verticillata as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).

Images

Hydrilla verticillata images from PIER
Images of Hydrilla verticillata provided by the Pacific Island Ecosystems at Risk project (PIER).

Distribution

Invasive species in the Pacific: A technical review and draft regional strategy (2000) View info about Adobe Acrobat PDF format
The status of invasive plants, vertebrates, arthropods, molluscs, and crustaceans, and options for a regional invasive species strategy for the South Pacific are presented in this series of articles from the South Pacific Regional Environment Programme, 2000.

Hydrilla verticillata worldwide distribution from GISD (ISSG)
Worldwide distribution information about Hydrilla verticillata is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).

Cited as invasive

Hawaii State DLNR/DOFAW cites Hydrilla verticillata (Hydrocharitaceae) as a weedy species used in horticulture
Hydrilla (Hydrilla verticillata) is on Hawaii's Most Invasive Horticultural Plants list from the Hawaii State Department of Land and Natural Resources, Division of Forestry and Wildlife.

Books

Turning the tide: The eradication of invasive species (proceedings of the International Conference on Eradication of Island Invasives)
Veitch, C.R. and M.N. Clout (eds.) . 2002. Turning the tide: The eradication of invasive species (proceedings of the International Conference on Eradication of Island Invasives). IUCN SSC Invasive Species Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK. vii + 414pp. ISBN: 2-8317-0682-3.

Invasive plants of California's wildlands
Bossard, Carla C., John M. Randall, and Marc C. Hoshovsky (eds.) . 2000. Invasive plants of California's wildlands. University of California Press. 360 pp. illus. ISBN: 0-520-22547-3.

Identification and biology of nonnative plants in Florida's natural areas (second edition)
Langeland, K.A., H.M. Cherry, C.M. McCormick, and K.A. Craddock Burks. 2008. Identification and biology of nonnative plants in Florida's natural areas (second edition). The University of Florida IFAS Communication Services (Gainesville). 193+ pp. illus. ISBN: 978-0-916287-70-2.

Full-text articles

Alien plant invasions in native ecosystems of Hawaii: Management and research
Stone, Charles P., Clifford W. Smith, and J. Timothy Tunison (eds.) . 1992. Alien plant invasions in native ecosystems of Hawaii: Management and research. Honolulu: University of Hawaii Cooperative National Park Resources Studies Unit. ISBN: 0-8248-1474-6.

Invasive species in the Pacific: A technical review and draft regional strategy
South Pacific Regional Environmental Programme (SPREP). Sherley, Greg (ed.) . 2000. Invasive species in the Pacific: A technical review and draft regional strategy. Apia, Samoa: South Pacific Regional Environment Programme. ISBN: 982-04-0214-X.

Turning the tide: The eradication of invasive species (proceedings of the International Conference on Eradication of Island Invasives)
Veitch, C.R. and M.N. Clout (eds.) . 2002. Turning the tide: The eradication of invasive species (proceedings of the International Conference on Eradication of Island Invasives). IUCN SSC Invasive Species Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK. vii + 414pp. ISBN: 2-8317-0682-3.

Control of non-native plants in natural areas of Florida
Langeland, K.A. and R.L. Stocker. (1997-)2001. Control of non-native plants in natural areas of Florida. SP 242, one of a series of the Department of Agronomy, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. First printed: 1997. Revised: April, 2001.

Experts

Hydrilla verticillata contacts from GISD (ISSG)
Contact information for experts on Hydrilla verticillata as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).

Other resources

Hydrilla verticillata references from GISD (ISSG)
References regarding Hydrilla verticillata as an invasive species is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).

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The Hawaiian Ecosystems at Risk (HEAR) project was historically funded by the Pacific Basin Information Node (PBIN) of the National Biological Information Infrastructure (NBII) through PIERC (USGS) with support from HCSU (UH Hilo). More details are available online. Pacific Basin Information Node (PBIN) National Biological Information Infrastructure (NBII)
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