Autonyms (not in current use), synonyms and invalid designations:

(≡ homotypic synonym, = heterotypic synonym, - autonym, I invalid designation)

• (=) Panicum barbipulvinatum Nash
• (-) Panicum capillare var. capillare L.
• (=) Panicum capillare var. occidentale Rydb.

Common names:

• old-witch grass  (Source: F Canada) - English
• witchgrass  (Source: Grass US) - English
• witchgrass panic  (Source: Aust Pl Common Names) - English
• witch grass  (Source: ICAW) - English (Canada)
• panic capillaire  (Source: F NAmer) - French
• panic capillaire  (Source: ICAW) - French (Canada)
• capim-mimoso  (Source: pers. comm.) - Portuguese (Brazil)
• pânico-capilare  (Source: pers. comm.) - Portuguese (Brazil)
• buketthirs  (Source: Kulturvaxtdatabas) - Swedish

Economic Importance:

• Weed: potential seed contaminant;

Distributional Range:

Native

Europe

• EASTERN EUROPE: Russian Federation [Saratov, Volgograd]

Northern America

• EASTERN CANADA: Canada [Québec, Nova Scotia, Ontario, Prince Edward Island, New Brunswick]
• WESTERN CANADA: Canada [Saskatchewan, Alberta, Manitoba, British Columbia]
• NORTHEASTERN U.S.A.: United States [Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia]
• NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, Oklahoma, South Dakota, Wisconsin]
• NORTHWESTERN U.S.A.: United States [Colorado, Idaho, Montana, Oregon, Washington, Wyoming]
• SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Delaware, Florida (n. (Leon Co.)), Georgia (n.), Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia]
• SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
• SOUTHWESTERN U.S.A.: United States [Arizona, California, Nevada, Utah]
• Mexico

Southern America

• CARIBBEAN: Cuba, Jamaica, United States [Virgin Islands, U.S.]


Naturalized

Australasia

• AUSTRALIA: Australia [Tasmania, New South Wales, South Australia (s.e.), Victoria, Western Australia (s.w.)]
• NEW ZEALAND: New Zealand

Southern America

• BRAZIL: Brazil
• SOUTHERN SOUTH AMERICA: Chile

References:

1. Acevedo-Rodríguez, P. & M. T. Strong. Flora of the West Indies (on-line resource).
2. Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource) URL: www.skud.info
3. Aliscioni, S. S. et al. 2003. A molecular phylogeny of Panicum (Poaceae: Paniceae): tests of monophyly and phylogenetic placement within the Panicoideae. Amer. J. Bot. 90:796-821. Note: mentions as a member of sect. Panicum
4. CIBA-GEIGY, Basel, Switzerland. Documenta CIBA-GEIGY (Grass weeds 1. 1980, 2. 1981; Monocot weeds 3. 1982; Dicot weeds 1. 1988) Note: four books on weeds worldwide in scope
5. Clements, D. R. et al. 2004. The biology of Canadian weeds. 127. Panicum capillare L.. Canad. J. Pl. Sci. 84:327-341.
6. Correll, D. S. & M. C. Johnston. 1970. Manual of the vascular plants of Texas
7. Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 43.
8. FNA Editorial Committee. 1993-. Flora of North America.
9. Forzza, R. C. et al., coord. Lista de espécies da flora do Brasil (on-line resource).
10. George, A. S., ed. 1980-. Flora of Australia.
11. Gleason, H. A. & A. Cronquist. 1991. Manual of vascular plants of northeastern United States and adjacent Canada, ed. 2
12. Gould, F. W. 1975. The grasses of Texas
13. Groth, D. 2005. pers. comm. Note: re. Brazilian common names
14. Hitchcock, A. S. 1950. Manual of the grasses of the United States, ed. 2.
15. Holm, L. et al. 1979. A geographical atlas of world weeds Note: serious in India
16. Howard, R. 1974-1989. Flora of the lesser Antilles.
17. Howell, C. J. & J. W. D. Sawyer. 2006. New Zealand naturalised vascular plant checklist
18. Hunt, H. V. et al. 2014. Reticulate evolution in Panicum (Poaceae): the origin of tetraploid broomcorn millet, P. miliaceum. J. Exp. Bot. 65:3165-3175.
19. Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares. Note: naturalized
20. Integrated Botanical Information System (IBIS). Australian plant common name database (on-line resource).
21. Lazarides, M. & B. Hince. 1993. CSIRO Handbook of Economic Plants of Australia
22. McGregor, R. L. et al. (The Great Plains Flora Association). 1986. Flora of the Great Plains.
23. Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
24. Randall, R. P. 2007. The introduced flora of Australia and its weed status.
25. Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol.
26. Skvortsov, A. K., ed. 2016. Flora of the Lower Volga region 1:131.
27. Triplett, J. K. et al. 2012. Five nuclear loci resolve the polyploid history of switchgrass (Panicum virgatum L.) and relatives. PLoS One 7(6): e38702. DOI: 10.1371/journal.pone.0038702 Note: a diploid, 2n=18
28. Ugarte, E. et al. 2011. Vascular alien flora, Chile. Check List 7:365-380.
29. Washburn, J. D. et al. 2015. Phylogeny and photosynthesis of the grass tribe Paniceae. Amer. J. Bot. 102:1493-1505. Note: Panicum capillare was one of five species of section Panicum representing subtribe Panicinae
30. Zuloaga, F. O. & O. Morrone. 1996. Revisión de las especies americanas de Panicum, subgénero Panicum, sección Panicum (Poaceae: Panicoideae: Paniceae). Ann. Missouri Bot. Gard. 83:233-235.
31. Zuloaga, F. O. et al. 2003. Catalogue of New World grasses (Poaceae): III. Subfamilies Panicoideae, Aristidoideae, Arundinoideae, and Danthonioideae. Contr. U.S. Natl. Herb. 46:324.
32. Zuloaga, F. O. 1989. El género Panicum (Poaceae: Paniceae) en la República Argentina. III. Darwiniana 29:315-316.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2024. Germplasm Resources Information Network (GRIN-Taxonomy).
National Germplasm Resources Laboratory, Beltsville, Maryland. URL: http://gringlobal.iita.org/gringlobal/taxonomydetail.aspx?id=26459. Accessed 1 July 2024.