Common names:

• autumn millet  (Source: BSBI) - English
• bluegrass  (Source: Darwiniana) - English
• fall panic grass  (Source: Pl Names) - English
• fall panicum  (Source: AH 505) - English
• smooth witchgrass  (Source: Darwiniana) - English
• fall panicum  (Source: ICAW) - English (Canada)
• panic d’automne  (Source: ICAW) - French (Canada)

Economic Importance:

• Weed: potential seed contaminant;

Distributional Range:

Native

Northern America

• EASTERN CANADA: Canada [Québec (s.), Nova Scotia, Ontario (s.e.)]
• 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, Kansas, Minnesota, Missouri, Nebraska, Oklahoma, Wisconsin]
• SOUTHEASTERN U.S.A.: United States [Alabama, Arkansas, Delaware, Florida (http://www.plantatlas.usf.edu/main.asp?plantID=2123), Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia]
• SOUTH-CENTRAL U.S.A.: United States [Texas]

Southern America

• CARIBBEAN: Bahamas, Cuba, United States [Puerto Rico]
• CENTRAL AMERICA: Panama
• NORTHERN SOUTH AMERICA: Suriname, Venezuela [Apure, Anzoategui, Delta Amacuro]
• BRAZIL: Brazil [Amazonas, Bahia, Ceará, Maranhão, Mato Grosso do Sul, Rio de Janeiro, Rio Grande do Norte, Santa Catarina]
• WESTERN SOUTH AMERICA: Bolivia, [El Beni] Peru [Loreto]
• SOUTHERN SOUTH AMERICA: Argentina, [Chaco, Corrientes, Entre Ríos, Formosa, La Pampa, Misiones, Santa Fe] Paraguay, [Amambay, Paraguarí, San Pedro] Uruguay [Artigas, Montevideo, Paysandu]


Naturalized (natzd. elsewhere, incl. w. North America)

References:

1. 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: a member of section Dichotomiflora
2. Botanical Society of the British Isles. BSBI taxon database (on-line resource).
3. Brako, L. & J. L. Zarucchi. 1993. Catalogue of the flowering plants and gymnosperms of Peru. Monogr. Syst. Bot. Missouri Bot. Gard. 45
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. Cronquist, A. et al. 1972-. Intermountain flora.
6. Darbyshire, S. J. 2003. Inventory of Canadian Agricultural Weeds Agriculture and Agri-Food Canada. 43-44.
7. Davidse, G. et al., eds. 1994. Flora mesoamericana.
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. Groth, D. 2005. pers. comm. Note: re. Brazilian common names
11. Hitchcock, A. S. 1950. Manual of the grasses of the United States, ed. 2.
12. 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. Note: two samples of Panicum miliaceum shared with P. dichotomiflorum similar mutational rbcL sequences
13. Instituto de Botánica Darwinion. 2008. Flora del Conosur. Catálogo de las plantas vasculares.
14. Kartesz, J. T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland.
15. Koyama, T. 1987. Grasses of Japan and its neighboring regions
16. León (J. S. Sauget) & Alain (E. E. Liogier). 1946-1969. Flora de Cuba
17. Liogier, H. A. & L. F. Martorell. 1982. Flora of Puerto Rico and adjacent islands: a systematic synopsis.
18. Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
19. Scoggan, H. J. 1978-1979. The flora of Canada, 4 vol.
20. Terrell, E. E. et al. 1986. Agricultural Handbook no. 505
21. 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. Note: a species recorded as a tetraploid (2n=36) or hexaploid (2n=54) and a member of section Dichotomiflora, and it was shown in this study that tetraploids carry two genomes: I and L
22. Wofford, B. E. Database of Tennessee vascular plants (on-line resource). URL: https://herbarium.utk.edu/vascular/vascular-database.php?CategoryID=Monocots&FamilyID=Poaceae&GenusID=Panicum&SpeciesID=dichotomiflorum target='_blank'
23. Zuloaga, F. O. et al. 1994. Catálogo de la familia Poaceae en la República Argentina. Monogr. Syst. Bot. Missouri Bot. Gard. 47
24. Zuloaga, F. O. 1989. El género Panicum (Poaceae: Paniceae) en la República Argentina. III. Darwiniana 29:305-308.

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=26487. Accessed 1 July 2024.