Taxon: Poa annua L.

A declared aquatic or terrestrial noxious weed and/or noxious-weed seed in these U.S. states (see state noxious weed lists), with links to state information or web documents:

AK°, CT°, DC°, DE°, FL°, KY°, MA°, MD°, NH°, NJ°, NY(in lawn seed)°, PA°, SD°, TN°, TX°, VA°, WV°.

ªAquatic.

*Terrestrial.

°In seed.

Link to noxious weed information from

See also subordinate taxa:

• Poa annua forma reptans (no accessions)

Common names:

• annual bluegrass   (Source: World Econ Pl ) – English
  
• annual meadow grass   (Source: World Econ Pl ) – English
  
• annual poa   (Source: Aust Pl Common Names ) – English
  
• creeping bluegrass   (Source: Diversity 16:13.2000 [as P. annua var. reptans]) – English   [Poa annua forma reptans]
  
• winter grass   (Source: Aust Pl Common Names ) – English
  
• zao shu he   (Source: F ChinaEng ) – Transcribed Chinese
  
• pâturin annuel   (Source: Dict Rehm ) – French
  
• einjähriges Rispengras   (Source: Dict Rehm ) – German
  
• poa annua   (Source: Mult Glossary Crops ) – Italian
  
• suzume-no-katabira   (Source: F JapanOhwi ) – Japanese Rōmaji
  
• saepoapul   (Source: F Korea ) – Transcribed Korean
  
• mjatlik odnoletnij   (Source: Mansf Ency ) – Transliterated Russian
  
• espiguilla   (Source: Dict Rehm ) – Spanish
  
• hierba de punta   (Source: Dict Rehm ) – Spanish
  
• vitgröe   (Source: Vara kulturvaxt namn ) – Swedish
  

More:

see MMPND for additional names in foreign scripts

Economic importance:

• Harmful organism host: crop diseases   (fide WorldWeeds 593-594. 1997)
  
• Harmful organism host: crop pests   (fide WorldWeeds 593-594. 1997)
  
• Environmental: lawn/turf   (fide Diversity 16:29-30. 2000)
  
• Weed: potential seed contaminant   (fide Weed CIBA)
  

Distributional range:

• AFRICA
  Southern Africa: Lesotho; Namibia; South Africa
• ANTARCTIC
  Antarctic Continent: Antarctica
• AUSTRALASIA
  Australia: Australia
• NORTHERN AMERICA
  Mexico
  United States
• PACIFIC
  North-Central Pacific: United States - Hawaii
• SOUTHERN AMERICA
  Caribbean: West Indies
  Western South America: Colombia; Peru
  Southern South America: Chile

• SOUTHERN AMERICA
  Southern South America: Argentina; Paraguay; Uruguay

• also cultivated

• probable origin Europe

References:

• Plants of southern Africa: an online checklist.
• Acevedo-Rodríguez, P. & M. T. Strong. Flora of the West Indies (on-line resource).
• Aldén, B., S. Ryman & M. Hjertson. 2009. Våra kulturväxters namn - ursprung och användning. Formas, Stockholm (Handbook on Swedish cultivated and utility plants, their names and origin).
• Allan, H. H. B. et al. 1961–. Flora of New Zealand.
• CIBA-GEIGY, Basel, Switzerland. Documenta CIBA-GEIGY (Grass weeds 1. 1980, 2. 1981; Monocot weeds 3. 1982; Dicot weeds 1. 1988)
• Chwedorzewska, K. J. 2008. Poa annua in Antarctic: searching for the source of introduction. Polar Biol. 31:263–268.
• Davidse, G. et al., eds. 1994. Flora mesoamericana.
• Edgar, E. 1986. Poa L. in New Zealand. New Zealand J. Bot. 24:456.
• Euro+Med Editorial Committee. Euro+Med Plantbase: the information resource for Euro-Mediterranean plant diversity (on-line resource). [= Ochlopoa annua (L.) H. Scholz].
• FNA Editorial Committee. 1993–. Flora of North America.
• Food and Agriculture Organization of the United Nations (FAO). 2010. Ecocrop (on-line resource).
• Gange, A. C. et al. 1999. Can arbuscular mycorrhizal fungi be used to control the undesirable grass Poa annua on golf courses? J. Appl. Ecol. 36:909–919.
• Giraldo-Cañas, D. 2011. Catálogo de la familia Poaceae en Colombia. Darwiniana 49:139–247.
• Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6.
• Hansen, A. & P. Sunding. 1993. Flora of Macaronesia: checklist of vascular plants, ed. 4. Sommerfeltia vol. 17.
• Holm, L. et al. 1979. A geographical atlas of world weeds.
• Holm, L. et al. 1997. World weeds: natural histories and distribution.
• Huff, D. R. 2000. This is not your father's bluegrass. A century of microevolution expedites development of greens-quality Poa annua. Diversity 16:29–30.
• Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening.
• Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
• Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
• International Seed Testing Association. 1982. A Multilingual Glossary of Common Plant-Names 1. Field crops, grasses and vegetables, ed. 2.
• Jahandiez, E. & R. Maire. 1931–1941. Catalogue des plantes du Maroc.
• Koyama, T. 1987. Grasses of Japan and its neighboring regions.
• Lee, Y. N. 1997. Flora of Korea.
• Ohwi, J. 1965. Flora of Japan (Engl. ed.).
• Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
• Randall, R. P. 2007. The introduced flora of Australia and its weed status.
• Rehm, S. 1994. Multilingual dictionary of agronomic plants.
• Seed Regulatory and Testing Branch, Agricultural Marketing Service, U.S.D.A. 1999. State noxious-weed seed requirements recognized in the administration of the Federal Seed Act.
• Soreng, R. J. et al. 2003. Catalogue of New World grasses (Poaceae): IV. Subfamily Pooideae. Contr. U.S. Natl. Herb. 48:511.
• Tovar, Ó. 1993. Las Gramíneas (Poaceae) del Perú. Ruizia 13:127.
• Townsend, C. C. & E. Guest. 1966–. Flora of Iraq.
• Tutin, T. G. et al., eds. 1964–1980. Flora europaea.
• Ugarte, E. et al. 2011. Vascular alien flora, Chile. Check List 7:365–380.
• Vibrans, H., ed. Malezas de México (on-line resource).
• Villaseñor, J. L. & F. J. Espinoza-Garcia. 2004. The alien flowering plants of Mexico. Diversity & Distrib. 10:113–123.
• Wagner, W. L. et al. Flora of the Hawaiian Islands (on-line resource).
• Walker, E. 1976. Flora of Okinawa and the southern Ryukyu Islands.
• Wu Zheng-yi & P. H. Raven et al., eds. 1994–. Flora of China (English edition).
• Zon, A. P. M. van der. 1992. Graminées du Cameroun.

More:

Search AGRICOLA article citation database for citations referencing Poa annua.

Search NCBI's Entrez search engine for PubMed citations referencing Poa annua.

Search Biodiversity Heritage Library for historical publications referencing Poa annua.

Synonyms:

• Poa annua var. reptans Hausskn. [≡ Poa annua forma reptans]
  

Check other web resources for Poa annua L.:

• Flora Europaea: Database of European Plants (ESFEDS)
• PLANTS: USDA-NRCS Database of Plants of the United States and its Territories
• BONAP: North American Plant Atlas of the Biota of North America Program
• Flora del Conosur: Catálogo de las Plantas Vasculares del Conosur
• Flora of China: Online version from Harvard University
• AVH: Australia's Virtual Herbarium
• SIBIS: South African National Biodiversity Institute's (SANBI) Integrated Biodiversity System
• TROPICOS: Nomenclatural and Specimen Database of the Missouri Botanical Garden
• CNWG: Catalogue of New World Grasses Searchable Database
• Grass Manual on the Web: Manual of Grasses for North America North of Mexico
• World Grass Species-Descriptions: Morphological species description from Royal Botanic Gardens, Kew
• AusGrass2: Australian grass data from Bryan K. Simon’s on-line database
• Mansfeld: Mansfeld's World Database of Agricultural and Horticultural Crops
• ePIC: Electronic Plant Information Centre of Royal Botanic Gardens, Kew
• AGRICOLA: Article Citation Database or NAL Catalog of USDA's National Agricultural Library
• Entrez: NCBI's search engine for PubMed citations, GenBank sequences, etc.

Images:

• Florets: U.S. National Seed Herbarium image
• Florets: Seed ID Workshop image, from Department of Horticulture and Crop Science, Ohio State University

More:

• Check PlantSystematics.org for additional images
• Images Note: Be advised that their identity may be inaccurate. Proper identification of a plant may require specialized taxonomic knowledge or comparison with properly documented herbarium material.

Abbreviations & symbols in GRIN Taxonomy

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