Global Compendium of Weeds
Carduus pycnocephalus (Asteraceae)
Presented here is summary information about the species Carduus pycnocephalus 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 
. 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, casual alien, environmental weed, naturalised, noxious weed, weed [for definitions, see the GCW introduction .]
Origin (native to where): [no info]
Data sources:
Class A Weeds Whitman County Washington State. (noxious weed)
Alanen, A., Bongard, T., Einarsson, E., Hansen, H., Hedlund, L., Jansson, K., Josefsson, M., Philipp, M., Sandlund, O.T., Svart, A.E., Svart, H.E. and Weidema, I. (2004?). Introduced Species in the Nordic Countries (Denmark) under Nordic Council of Ministers (NMR), subgroup Natur-og Friluftslivsgruppen. (weed)
Alien Species. On March 10, the Japanese Cabinet submitted the bill dealing with invasive alien species to the Diet. The Diet passed the bill without amendments and the Invasive Alien Species Act was promulgated as of June 2, 2004. List of alien species recognized to be established in Japan or found in the Japanese wild (as of October 27, 2004) [PDF] (naturalised)
Alien plants of Fuerteventura, Canary Islands. Plantas extranjeras de Fuerteventura, Islas Canarias - korrigierte Fassung vom 23.01.2002 - Prof. Dr. Dietmar Brandes, Dipl.-Biol. Katrin Fritzsch. Arbeitsgruppe für Vegetationsökologie und experimentelle Pflanzensoziologie Botanisches Institut und Botanischer Garten der TU Braunschweig D-38023 Braunschweig. Abstract: The nowadays flora of Fuerteventura contains some 780 species. At least 119 species are aliens, some 150 further species of mediterranean and/or North African origin are probably introduced too. The estimated percentage of aliens therefore reaches 35 %. (naturalised)
Anon (1992). The Grower's Weed Identification Handbook by Family and by Aphabetical Listing. Publication 4030. - Division of Agriculture and Natural Resources, University of California. (agricultural weed)
Argentina AGRO Management Malezas Incluidas. Argentinian Software Development Company. (weed)
Auld, B.A. and Medd, R.W. (1992) WEEDS, An illustrated botanical guide to the weeds of Australia. Inkata Press, Melbourne. (weed)
Barker, W.R., R.M.Barker, J.P. Jessop & H.P. Vonow (Eds.) (2005). Census of South Australian Vascular Plants. 5th Edition. J. Adelaide Bot. Gard. Supplement 1. (Botanic Gardens of Adelaide & State Herbarium: Adelaide). (naturalised)
Brandes, D. (Dietmar) (2001) Urban flora of Sousse, Tunisia. Arbeitsgruppe für Vegetationsözkologie und experimentelle Pflanzensoziologie, Botanisches Institut und Botanischer Garten der TU Braunschweig. email: D.Brandes@tu-bs.de (weed)
Brossard, C.C., Randall, J.M. and Hoshovsky, M.C (2000) Invasive Plants of California's Wildlands. University of California Press, USA (agricultural weed, environmental weed)
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)
California Noxious Weed Control Projects Inventory (CNWCPI) (noxious weed)
Carr, G.W., Yugovic, J.V. and Robinson, K.E. (1992). Environmental Weed Invasions in Victoria. Department of Conservation and Environment. Melbourne (environmental weed)
Castro, S.A., Figueroa, J.A., Munoz-Schick, M. and Jaksic, F.M. (2005) Minimum residence time,biogeographical origin, and life cycle as determinants of the geographical extent of naturalized plants in continental Chile. Diversity and Distributions 11: 183-191. Appendix S1 Checklist of 428 naturalized plants in continental Chile, their first record date (FRD), life cycle (LC), biogeographic origin (BO), and number of administrative regions occupied (ARO). Am: America; Eu: Europe; As: Asia; Af: Africa; Au: Australia; N.Z.: New Zealand; Pan: Pantropical; Cosmo: Cosmopolitan; Tro: Tropical. (naturalised)
Check-list of the Flowering Plants and Ferns of Cornwall and the Isles of Scilly - 1994 C.N. French and R.J. Murphy. University of Exeter (casual alien)
Colin C. Ogle (last revision May 2003). Adventive plants collected in the Wanganui Conservancy of the New Zealand Department of Conservation, 1988-present. (Unpublished working list). Author's address: 22 Forres St, Wanganui, New Zealand. Email: robcol.ogle@xtra.co.nz (naturalised)
Darrow, R.A. Erickson, L.C. Holstrum, J.T.Jnr., Miller, J.F., Scudder, W.F. and Williams, J.L. Jnr. (1966) Report of the Terminology Committee, Standardized Names of Weeds. WSSA (14), 346-386. Weed Science Society of America. (weed)
Environmental Weed List Victoria. Supplied by Weedmanager.Net (Source not cited but possibly drawn from Carr et al. Environmental Weeds of Victoria) (environmental weed)
Exotic Pest Plants of Ecological Concern in California (environmental weed)
Faith T. Campbell; American Lands Alliance; "Worst" Invasive Plant Species in the conterminous United States: weed (environmental weed)
Germplasm Resources Information Network G.R.I.N. GRIN (naturalised, weed)
Gibson, N., Keighery, B., Keighery, G., Burbidge, A. and Lyons, M. (1994). A floristic survey of the Southern Swan Coastal Plain. Unpublished report for the Australian Heritage Commission prepared by the Department of Conservation and Land Management and the Conservation Council of Western Australia (Inc.). (naturalised)
Hanf, M. (1983). The Arable Weeds of Europe, with their seedlings and seeds. BASF Aktiengesellschaft, D-6700 Ludwigshafen. Germany (agricultural weed)
Heap, I. The International Survey of Herbicide Resistant Weeds. Online. Internet. December 24, 1999 . (agricultural weed)
Henderson, M., and Anderson, JG. (1966). Common Weeds of South Africa. Memoirs of the Botanical Surveys of South Africa N° 37, Department of Agriculture, Technical Services, Republic of South Africa. (weed)
Hill, M., Baker, R., Broad, G., Chandler, P.J., Copp, G.H., Ellis, J., Jones, D., Hoyland, C., Laing, I., Longshaw, M., Moore, N., Parrott, D., Pearman, D., Preston, C., Smith, R.M. and Waters, R.(2005). Audit of non-native species in England. English Nature Research Reports N° 662, English Nature. (naturalised)
Holm, L. G., Doll, J., Holm, E., Pancho, J. V., and Herberger, J. P. (1997). World Weeds. Natural Histories and Distribution. John Wiley and Sons New York, USA. (weed)
Holm, L. G., Pancho, J. V., Herberger, J. P. and Plucknett, D. L. (1979). A Geographical Atlas of World Weeds. John Wiley and Sons NewYork, USA (weed)
HortGuard and GrainGuard Initial Threat List Compilations (agricultural weed)
Williams, G.H. (1982). Elseviers's Dictionary of Weeds of Western Europe. Elsevier Scientific Publishing Company Amsterdam, Holland. (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.
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