Panicum virgatum ?

Panicum virgatum L., Sp. Pl. 59 1753. (syn: Chasea virgata (L.) Nieuwl.; Eatonia purpurascens Raf.; Ichnanthus glaber Link ex Steud., pro syn.; Milium virgatum (L.) Lunell; Milium virgatum var. elongatum (Vasey) Lunell; Panicum buchingeri E.Fourn.; Panicum coloratum Walter, nom. illeg.; Panicum giganteum Scheele; Panicum glaberrimum Steud.; Panicum ichnanthoides E.Fourn.; Panicum kunthii E.Fourn., nom. illeg.; Panicum pruinosum Bernh. ex Trin., pro syn.; Panicum virgatum var. breviramosum Nash; Panicum virgatum var. confertum Vasey; Panicum virgatum subsp. cubense (Griseb.) Borhidi; Panicum virgatum var. cubense Griseb.; Panicum virgatum var. diffusum Vasey; Panicum virgatum var. elongatum Vasey; Panicum virgatum var. glauciphyllum Cassidy; Panicum virgatum var. obtusum Alph.Wood; Panicum virgatum var. scorteum H.P.Linder; Panicum virgatum var. spissum H.P.Linder; Panicum virgatum var. thyrsiforme H.P.Linder)?;

Native to: Alabama, Arizona, Arkansas, Belize, Bermuda, Colorado, Connecticut, Cuba, Delaware, District of Columbia, Florida, Georgia, Honduras, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Manitoba, Maryland, Masachusettes, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Nova Scotia, Ohio, Oklahoma, Ontario, Pennsylvania, Québec, Rhode I., Saskatchewan, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, West Virginia, Wisconsin, Wyoming; Introduced into: Austria, Belgium, Brazil North, Brazil Northeast, Brazil Southeast, China North-Central, China South-Central, China Southeast, Great Britain, Hawaii, India, Japan, Korea as per POWO;