Global Compendium of Weeds
Carduus spp. (Asteraceae)
Presented here is summary information about the species Carduus spp. 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 email@example.com.
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 .]
Origin (native to where): [no info]
Important Weed Species in Crops and Countries. Data stored from 59 developing countries and regularly updated. (Information kindly given by Ing. Amalia Ríos) FAO Weed Management, Ricardo Labrada. (agricultural weed)
Aliens List, Nominated Worst Invasive Weeds after a request by Sarah Lowe from ISSG New Zealand to the Aliens email list group. (environmental weed)
G.R.I.N. TAXON Database GRIN (weed)
MAF BIOSECURITY AUTHORITY STANDARD. 155.02.05. Importation of Seed for Sowing. 1.5.1 QUARANTINE IMPURITIES. No seed lot will be released for sowing in New Zealand if it contains: * unidentified seed * regulated pests * in excess of 0.1% by weight of soil particles * seed of any of the quarantine weed species listed in the schedule below. 1.5.2 SCHEDULE OF REGULATED (QUARANTINE) WEED SEEDS
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)
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)
The Exotic Flora of Victoria. (1998) Data supplied by Department of Natural Resources and Environment, Victoria, State Herbarium. (naturalised)
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GCW species list
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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.