Global Compendium of Weeds
Veronica opaca (Scrophulariaceae)
Presented here is summary information about the species Veronica opaca 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, naturalised, weed [for definitions, see the GCW introduction .]
Origin (native to where): [no info]
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. (naturalised)
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)
Clement, E.J. and Foster, M.C. (1994) Alien plants of the British Isles. Botanical Society of the British Isles, London. (casual alien)
Ernst Hafliger, (Basle), and Josef Brun-Hool, (Lucerne) (1968-) CIBA-GEIGY WEED TABLES A synoptic presentation of the flora accompanying agricultural crops. (agricultural weed)
Hanf, M. (1983). The Arable Weeds of Europe, with their seedlings and seeds. BASF Aktiengesellschaft, D-6700 Ludwigshafen. Germany (agricultural 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)
Pysek, P., Sadlo, J. and Mandak (2002) Catalogue of Alien Plants of the Czech Republic. Preslia, Praha. 74:97-186. (naturalised)
The Research Institute for Bioresources. Okayama University. Laboratory of Wild Plant Science. "Naturalized plants from foreign country into Japan". (naturalised)
sity of Santiago Herbarium.
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.
RAPID. Common Weeds and Poisonous Plants of North America: University of Idaho, College of Agriculture - [RAPID = Random Access Plant IDentification]
Richardson, F.J., Richardson, R.G. and Shepherd, R.C.H. (2006). Weeds of the South-East. An identification guide for Australia. R.G. & F.J. Richardson. Meredith, Victoria. ISBN 0958743932, 438 pages.
SMURPHBOT: A DATABASE OF FLORA OF NORTHEASTERN CANADA/U.S. Last Updated: January 14,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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