Western Australia Department of Agriculture (AgWest) Hawaiian Ecosystems at Risk project (HEAR) Global Compendium of Weeds (GCW) Global Compendium of Weeds
Spirodela punctata (Lemnaceae)

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Presented here is summary information about the species Spirodela punctata from the Global Compendium of Weeds, and citations of references to this species as a weed. Definitions of terms are available in the GCW introduction View info about Adobe Acrobat PDF format. For further information--or to report corrections or concerns--contact webmaster@hear.org.

Synonyms/other Latin names: [ see GRIN ]

Status(es) (compiled for below "Data sources"): agricultural weed, environmental weed, naturalised, weed [for definitions, see the GCW introduction View info about Adobe Acrobat PDF format.]

Origin (native to where): [no info]


Data sources:

A list of weed species from various New Zealand references to "weeds" compiled by P.A.Williams, Landcare Research, New Zealand. (naturalised, weed)

Chris Buddenhagen and Melanie Newfield (pers comm. 2001) A list of potential and actual environmental weeds for New Zealand. Department of Conservation. (environmental weed)

Landcare Research New Zealand (2001) Plant Names Database. (naturalised)

Lesley Henderson & Carina J. Cilliers (2002) Invasive Aquatic Plants. A guide to the identification of the most important and potentially dangerous invasive aquatic and wetland plants in South Africa. Plant Protection Research Institute Handbook No. 16. Agricultural Research Council, South Africa. (weed)

Pat Enwright (2003) Adventive species of the Wellington Conservancy ecological district. Project initiated by John Sawyer of D.O.C and further refined and updated by Colin Ogle of Wanganui before Ewen Cameron and Mei Nee Lee of the Auckland Museum herbarium very kindly provided lists of adventive species by ecological district for the Wellington Conservancy from the AK database. I must also thank Ewen Cameron and Rhys Gardner for identification of a number of specimens included in this list, Phillipa Crisp from W.R.C. also supplied information on species recorded by or on behalf of W.R.C and not already included in the database. Pat Enwright pers. comm. [Pat.Enright@nz.towerlimited.com] (naturalised)

The Exotic Plants of Southern Florida. Exotic Specifics. The Institute for Regional Conservation George D. Gann and Keith A. Bradley irc@regionalconservation.org 22601 S.W. 152 Ave. Miami, Florida 33170. (weed)

This list of invasive plants affecting natural areas in the U.S. (including Hawaii) has been compiled from a wide variety of publications, reports, surveys, and occasional personal observations. Sources of plant lists include the National Park Service and other federal agencies, state and local natural resource and related departments, Exotic Pest Plant Councils and related organizations, The Nature Conservancy, and universities. Sources for each plant listed are provided on the table (a legend for the source code is provided from the REFERENCE(S) header). The current list includes over 1000 plants and is updated as needed. Please contact Jil Swearingen (jil_swearingen@nps.gov) regarding any errors, omissions or potential additions to the list. (environmental weed)

USGS Nonindigenous aquatic species database (environmental weed, weed)

Wells, M.J., Balsinhas, V.M., Joffe, H., Engelbrecht, V.M., Harding, G. and Stirton, C.H. (1986) A Catalogue of Problem Plants in Southern Africa, incorporating The National Weed List of South Africa. Memoirs of the Botanical Survey of South Africa No. 53. Botanical Research Institute, Pretoria, South Africa. (agricultural weed, environmental weed, weed)



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This page was created on 13 September 2007 by PT, and was last updated on 04 October 2007 by PT based on data from Rod Randall's Global Compendium of Weeds database dated 24 January 2007. Valid HTML 4.01!