Western Australia Department of Agriculture (AgWest) Hawaiian Ecosystems at Risk project (HEAR) Global Compendium of Weeds (GCW) Global Compendium of Weeds
Polygonum polystachyum (Polygonaceae)

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Presented here is summary information about the species Polygonum polystachyum 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, noxious weed, weed [for definitions, see the GCW introduction View info about Adobe Acrobat PDF format.]

Origin (native to where): [no info]


Data sources:

Exotic Plant Species List Scientific and Common Names of known Exotic Plant Species in the Redwood National and State Parks. This list of exotic species was compiled from the park's plant species lists and herbarium specimens. The inventory of species and associated threat assessment are essential parts of the parks' Exotic Plant Management Plan. California State Parks, US National Park Service. Last Update: June 13, 2001 (environmental weed)

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

BlackList, Grey List and Watch List established by the working group E. Weber et al. 22.02.2002 In 2001, a working group CPS/SKEW was initiated (directed by Dr. E. Weber, ETHZ), which has established lists of invasive neophytes for Switzerland.

CALFLORA DATABASE Summaries of geographic distribution, habitat, and lifeform data for the approximately 8400 vascular plant taxa known to be native or naturalized in California, based on published literature as well as specific documented observations. (weed)

Calder, J. A. & Taylor, L. R. (1968). Flora of the Queen Charlotte Islands. Part 1. Systematics of the vascular plants. Canada Department of Agriculture, Research Branch, Monograph No. 4, Part 1, 659 pp. (naturalised)

California Noxious Weed Control Projects Inventory (CNWCPI) (noxious weed)

Faith T. Campbell; American Lands Alliance; "Worst" Invasive Plant Species in the conterminous United States: weed (environmental weed)

Fern, K. (1992-97). Plants for a Future. A resource centre for edible and other useful plants. The Field, Penpol, Lostwithiel, Cornwall, PL22 0NG, England. (naturalised)

G.R.I.N. TAXON Database http://www.ars-grin.gov/npgs/tax/index.html GRIN synonyms (weed) [ online info ]

Introduced (Naturalised) Species to the United States [USDA, NRCS 1999. The PLANTS database. National Plant Data Center, Baton Rouge, LA 70874-4490 USA. ] (naturalised)

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

Noxious weeds in the US and Canada. This web site provides a searchable database of the noxious weed lists for all U.S. states and six southern provinces of Canada. The database can be searched by plant name, state name, or by clicking on a map. This portion of the INVADERS web site is supported by the USDA Agricultural Research Service. Principal investigators: Dr. Kerri Skinner, University of Nebraska - Kearny, NE Dr. Lincoln Smith, USDA-ARS Western Region Research Center, Albany, CA Peter Rice, University of Montana - Missoula, MT (noxious weed)

Pacific Northwest Exotic Pest Plant Council (Weed) (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)

Rice, P.M., Toney, C. and Sacco, B. (1997). Potential Exotic Plant Species Invading the Blackfoot Drainage, Montana. (Peter M. Rice, Chris Toney and Bob Sacco) (agricultural weed)

Roy, B., Popay, I., Champion, P., James, T., and Rahman, A. (1998). An illustrated guide to the common weeds of New Zealand. New Zealand Plant Protection Society, R.G. & F.J. Richardson. (weed)

State Noxious Weeds of the USA. - State and Federal Composite List of All U.S. Noxious Weeds. USDA, NRCS 1999. The PLANTS database. National Plant Data Center, Baton Rouge, LA 70874-4490 USA. (noxious weed)

These taxa where indicated as neophytes to the Swiss Flora. (Red list of the endangered fern and flowering plants of Switzerland 2002.) (naturalised)

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)

Wittenberg R (ed.) (2005) An inventory of alien species and their threat to biodiversity and economy in Switzerland. CABI Bioscience Switzerland Centre report to the Swiss Agency for Environment, Forests and Landscape. [Table 10.6: Alien species in Switzerland.] (naturalised)

Wittenberg R (ed.) (2005) An inventory of alien species and their threat to biodiversity and economy in Switzerland. CABI Bioscience Switzerland Centre report to the Swiss Agency for Environment, Forests and Landscape. [Table 10.8: Invasive plant species in Europe.] (naturalised)



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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!