Global Compendium of Weeds
Poa trivialis (Poaceae)
Presented here is summary information about the species Poa trivialis 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, cultivation escape, environmental weed, naturalised, noxious weed, weed [for definitions, see the GCW introduction .]
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
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.
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]
Anon (1989) Manuale per il Riconoscimento delle Principali erbe Infestantii. Societa Italiana per lo Studio della Lotta alle Malerbe S.I.L.M Italy.
Anon. (1972). Weed Manual. 8th Ed. [2nd revised and extended Edition] Schering AG, Berlin.
Behrendt, S. and Hanf, M. (1979) Grass Weeds In World Agriculture. BASF Aktiengesellschaft. Ludwigshaten am Rhein, Germany.
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.
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 (Unpublished working list).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
Environmental Weed List Victoria. Supplied by Weedmanager.Net (Source not cited but possibly drawn from Carr et al. Environmental Weeds of Victoria) (environmental weed)
Ernst Hafliger, (Basle), and Josef Brun-Hool, (Lucerne) (1968-) CIBA-GEIGY WEED TABLES A synoptic presentation of the flora accompanying agricultural crops.
Essl, F. & Rabitsch, W. (eds.) (2002). Neobiota in Österreich. Umweltbundesamt GmbH, Wien.
Faith T. Campbell; American Lands Alliance; weeds
Germplasm Resources Information Network G.R.I.N. GRIN (naturalised)
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
HortGuard and GrainGuard Initial Threat List Compilations
Häfliger, E. and Scholz, H. (1981). Grassweeds 2. Ciba-Geigy Ltd., Basel, Switzerland.
Introduced (Naturalised) Flora of Ecuador: Catalogs on Web site of owners: http://www.ambiente.gov.ec/AMBIENTE/i3n2000 I3N.htm (If this link is broken, try www.ambiente.gov.ec, then access the data by clicking on "Ecuador Megadiverso" link at the top, then on "Biodiversidad del Ecuador" on the right, then on ""I3N"" on the left.) [ 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. ]
Introduced (Naturalised) species of Tasmania (1999) Data Supplied by Resource Management and Conservation Department of Primary Industry, Water & Environment. Hobart
Invasive Plant Species in Delaware. William A. McAvoy ( Botanist) Delaware Natural Heritage Program June 2001. This list contains 64 species and varieties of alien vascular plants considered to be invasive in the state of Delaware. These species are or have extreme potential to be detrimental to natural systems; i.e. displace native vegetation and disrupt ecological processes.
John Hosking, NSW Department of Agriculture, Weed Database 30 April 2003 (agricultural weed, naturalised)
Landcare Research New Zealand (2001) Plant Names Database.
Li Yanghan (1998). Weeds of China. Beijing: Agriculture Press. 1617 pages + 8 plates. This book describes 106 families, 591 genera, 1380 species, 11 subspecies, 60 varied species. In Chinese with Latin name, English name and Chinese name index.
Mangoensoekardjo, S. and Pancho, J.V. (1975). Rerumputan Di Kebun Karet, Kelapa, Sawit, Coklat, The Dan Padi Serta cara Pemberantasannya. [Current Status of weed problems in plantation crops]. Bulletin B.P.P.M. Vol.6 No 1 Maret.
Marticorena, C. & Quezada, A. (1985). Catálogo de la flora vascular de Chile. GAYANA, BOTANICA Vol 42 No. 1-2 Universidad de Concepcion-Chile.
Marticorena, C. (2000?) Naturalised Plants of Chile. University of Santiago Herbarium.
Mennan.ve ark (1999). Weed species in Hazelnut orchards in Blacksea region of Turkey. Karadeniz Bölgesi findik bahçelerinde görülen yabanco ot türleri.
Mills, E.L., Leach, J.H., Carlton, J.T., and Seacor, C.L. 1993. Exotic species in the Great Lakes: a historyof biotic crises and anthropogenic introductions. J. Great Lakes Res. 19(1):1-54. On GREAT LAKES AQUATIC NONINDIGENOUS SPECIES LIST compiled by the NOAA National Center for Research on Aquatic Invasive Species (NCRAIS) Great Lakes Environmental Research Laboratory by Ann Arbor, Michigan.
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
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]
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.
Ryves, T.B., Clement, E.J. and Foster, M.C. (1996) Alien Grasses of the British Isles. Botanical Society of the British Isles, London. (casual alien)
SMURPHBOT: A DATABASE OF FLORA OF NORTHEASTERN CANADA/U.S. Last Updated: January 14, 20043 Stephen D. Murphy, B.Sc. (Hons.), Ph.D. Associate Professor Dept. of Environment and Resource Studies, University of Waterloo, Waterloo, ON, N2L 3G1 Canada. Voice: 519-885-1211 ext. 5616 Fax: 519-746-0292 E-mail: sd2murph @ fes.uwaterloo.ca
The Exotic Flora of Victoria. (1998) Data supplied by Department of Natural Resources and Environment, Victoria, State Herbarium. (naturalised)
The Research Institute for Bioresources. Okayama University. Laboratory of Wild Plant Science. "Naturalized plants from foreign country into Japan".
The Research Institute for Bioresources. Okayama University. Laboratory of Wild Plant Science. "Weeds of Japan".
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.
in the Nordic Countries (Denmark) under Nordic Council of Ministers (NMR), subgroup Natur-og Friluftslivsgruppen.
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]
Anon (1989) Manuale per il Riconoscimento delle Principali erbe Infestantii. Societa Italiana per lo Studio della Lotta alle Malerbe S.I.L.M Italy.
Anon. (1972). Weed Manual. 8th Ed. [2nd revised and extended Edition] Schering AG, Berlin.
Behrendt, S. and Hanf, M. (1979) Grass Weeds In World Agriculture. BASF Aktiengesellschaft. Ludwigshaten am Rhein, Germany.
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.
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: 2
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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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