Salvinia molesta
(Salviniaceae)
African payal, aquarium water-moss, giant salvinia, kariba weed, salvinia, water fern
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Salvinia molesta
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| HEAR home > species info > plants > Salvinia molesta (Salviniaceae) |
| Species description or overview | Taxonomy & nomenclature | Impacts | Control methods | Biocontrol efforts | Images |
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"This fern is grown in garden ponds and aquaria and is known to be in cultivation in the [Hawaiian] Islands. It escapes from cultivation and invades aquatic fresh water bodies where is grows aggressively, rapidly becoming a serious pest." (http://www.rsabg.org/herbarium/ferns/wilsonferns/sal_mol.html, accessed 21 September 2005)
Salvinia molesta description and ecology from GISD (ISSG)
A species description and information about the ecology of Salvinia molesta 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).
Salvinia molesta impact information from GISD (ISSG)
Impact information regarding Salvinia molesta 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).
Pathogenicity of Rhizoctonia solani on Salvinia 
Rhizoctonia solani causes lesions on Salvinia and may have potential as a biocontrol of the invasive aquatic weed (Rayachhetry, M.B., T.R. Center, T.D. Center, P. Tipping, P.D. Pratt, and T.K., Van. 2002. First report of the pathogenicity of Rhizoctonia solani on Salvinia molesta and S. minima in Florida. Plant Disease 86:813.)
Images of Cyrtobagous salviniae (salvinia weevil)
Images of Cyrtobagous salviniae (salvinia weevil) are presented by The Bugwood Network.
Salvinia molesta management information from GISD (ISSG)
Management information for Salvinia molesta 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).
Salvinia molesta information from the Smithsonian Flora of the Hawaiian Islands 
Information about Salvinia molesta in Hawaii is available from the Smithsonian Flora of the Hawaiian Islands.
Salvinia molesta image (sporangia)
A high-resolution image of Salvinia molesta (sporangia) is available from the Invasive Plant Atlas of New England.
Salvinia molesta image (habit in water)
A high-resolution image of Salvinia molesta (habit in water) is available from the Invasive Plant Atlas of New England.
Salvinia molesta images from PIER
Images of Salvinia molesta provided by the Pacific Island Ecosystems at Risk project (PIER).
Invasive species in the Pacific: A technical review
and draft regional strategy (2000)
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.
Salvinia molesta worldwide distribution from GISD (ISSG)
Worldwide distribution information about Salvinia molesta is provided from the Global Invasive Species Database (GISD). GISD was created and is maintained by IUCN's Invasive Species Specialist Group (ISSG).
Hawaii's ferns and fern allies
Palmer, Daniel D. 2003. Hawaii's ferns and fern allies. Contribuition no. 2002-010 to the Hawaii Biological Survey. University of Hawaii Press, Honolulu. 324 pp. ISBN: 0-8248-2522-5.
Pesky fern has molested pond in Hilo
Salvinia molesta has been found twice in Hilo's Wailoa Pond, but salt from sea water may have helped keep it under control (Honolulu Star Bulletin, 3/25/2003).
Things are looking up in effort to clean lake (Lake Wilson, Oahu)
Enough Salvinia molesta has been removed to give Lake Wilson's fish a chance to live (Honolulu Star Bulletin, 3/1/2003).
Governor Lingle is concerned about Salvinia molesta in Lake Wilson
Governor Lingle is monitoring reports of the massive cleanup salvinia in Lake Wilson and expressed concern as "a health issue" (Honolulu Star Bulletin, 2/21/2003).
State to whack freshwater weed
Salvinia molesta found in various fresh-water Oahu areas will be the target of a clean-up effort conducted by the State of Hawaii (Star-Bulletin, April 15, 1999).
State is monitoring Lake Wilson plants
State aquatic specialists regularly monitor the floating plant -- called salvinia -- and don't consider it a problem (Star Bulletin, 9/4/2001).
Lake Wilson cleanup is duty of state Land Department
EPA and residents are trying to find a way to control coqui frogs and have tried high-concentration solution of caffeine in water or hot water.
Losing battle feared at Lake Wilson
online
Lake Wilson must be saved from alien plant
"Lake Wilson must be saved from alien plant," a letter to the editor of the Honolulu Star-Bulletin (December 21, 2002).
Lake cleanup may take a year
"Lake cleanup may take a year: State officials are having a difficult time cleaning Lake Wilson of an invasive fern" (Honolulu Star-Bulletin, December 23, 2002).
Group targets weed choking Lake Wilson
"Group targets weed choking Lake Wilson: Gov. Lingle's support is sought in an effort to rein in the plant" (Honolulu Star-Bulletin, February 7, 2003).
Lingle pledges help to clear Lake Wilson
same as http://starbulletin.com/2001/08/23/
Evil water weed taking over the world
"Evil water weed taking over the world" (Honolulu Star-Bulletin, February 10, 2003).
State plans oil booms to drag weed off lake
"State plans oil booms to drag weed off lake" (Honolulu Star-Bulletin, February 12, 2003).
The Green Monster
"The Green Monster: City, state and federal officials coordinate efforts to remove a weed covering the surface of Lake Wilson" (Honolulu Star-Bulletin, February 19, 2003).
State wages war on waterweed
The Honolulu Star-Bulletin (http://starbulletin.com)
State needs new way to keep out harmful plants
"[Hawaii] State needs new way to keep out harmful plants"; "Fast-growing salvinia at Lake Wilson is the most recent of Hawaii's problems with non-native species" (Honolulu Star-Bulletin editorial, February 22, 2003).
Who let the weeds grow at Lake Wilson?
"Who let the weeds grow at Lake Wilson?" (Honolulu Star-Bulletin letter to the editor, February 23, 2003).
"Green monster" sucks down cash
"'Green monster' sucks down cash: Saving Lake Wilson from weeds will cost at least $1.25 million" (Honolulu Star-Bulletin, February 27, 2003).
Lawmakers slow to notice salvinia threat
"Lawmakers slow to notice salvinia threat" (Honolulu Star-Bulletin letter to the editor, March&nbps;7, 2003).
Friends of marsh plan to clean it tomorrow
Windward Oahu residents plan to rid Kawainui Marsh of invasive waterweeds (Salvinia molesta) and trash during a community cleanup effort. (Honolulu Star-Bulletin, March&nbps;21, 2003).
Volunteers give Kailua marsh a new look
"Volunteers give Kailua marsh a new look" (Honolulu Star-Bulletin, March 23, 2003).
Salvinia effort has cleared 75 percent of Lake Wilson
Salvinia effort has cleared 75 percent of Lake Wilson (Honolulu Advertiser, April 5, 2003).
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.
Salvinia: nonindigenous aquatic ferns in the United States (Salvinia molesta and Salvinia minima) and their biological control, Cyrtobagous salviniae, the salvinia weevil (USGS)
USGS provides information on two weedy species of Salvinia and their biocontrol.
Salvinia molesta: web search
Salvinia molesta: web search results are provided by AltaVista search engine.
Salvinia molesta references from GISD (ISSG)
References regarding Salvinia molesta 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 content of this page is based on information last generated on 03 November 2009 by PT. The template for this page was created on 15 March 2004 by EMS, and was last updated on 20 February 2006 by PT. |
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