Western Australia Department of Agriculture (AgWest) Hawaiian Ecosystems at Risk project (HEAR) Global Compendium of Weeds (GCW) Global Compendium of Weeds
Amsinckia micrantha (Boraginaceae)

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Presented here is summary information about the species Amsinckia micrantha 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, casual alien, naturalised [for definitions, see the GCW introduction View info about Adobe Acrobat PDF format.]

Origin (native to where): Western N America, N. America


Data sources:

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. (casual alien, 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)

Darbyshire, S.J. (2003). Inventory of Canadian Agricultural Weeds. Agriculture and Agri-Food Canada. Ottawa, Ontario. (agricultural 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)

Lithuanian Invasive Species Database. The Database is aimed: to provide a qualified reference online system on invasive species in Lithuania; to serve a virtual forum on environmental and administrative issues related to biological invasions in Lithuania; to encourage the exchange of data among different geographical regions and serve a node in the global information network on invasive species Project is initiated by the National Advisory Council on Invasive Species established by the Ministry of Environment of Lithuania (ME, Order No. 352, July 1, 2002).

Preston, C.D., Pearman, D.A. and Dines, T.D. (2002) New Atlas of the British & Irish Flora. An Atlas of the Vascular Plants of Britain, Ireland, the Isle of Man and the Channel Islands. Oxford University Press. (naturalised)

Weber E, Gut D (2005) A survey of weeds that are increasingly spreading in Europe. Agronomy for Sustainable Development 25, 109-121. A Europe-wide survey was conducted by sending questionnaires to weed scientists in order to evaluate currently troublesome weeds and those which may cause problems in the future. Recipients were asked to list species that are spreading and cause problems in agroecosystems and to rate these according to three scores (degree of weediness, degree of spread potential and degree of control success), with three levels for each score (low, medium and high). In all, 281 species were reported from 26 European countries (Albania, Austria, Bulgaria, Croatia, Czech Republic, Cyprus, Denmark, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Lithuania, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Turkey, United Kingdom and Ukraine). Most of them were annuals (48%), followed by perennials (34%) and biennials (14%). Among these 281 weed species, the 15 most troublesome (either indigenous or alien to Europe) have been listed for each crop system defined in this survey. In the table below, the EPPO Secretariat has extracted only weed species which were considered as alien. (agricultural weed)

Weber, E. and Gut, D. (2005). A survey of weeds that are increasingly spreading in Europe. Agron. Sustain. Dev. 25 pp: 109-121. (agricultural weed, 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!