. "*Digitaria insularis (L.) Mez ex Ekman" . "*Valota insularis (L.) Chase" . . . "*Syntherisma insulare (L.) Millsp. & Chase" . . . . "*Panicum insulare (L.) G. Mey." . . . "*Trichachne insularis (L.) Nees" . "Digitaria insularis is a species of grass commonly known as sourgrass. It is native to Central and South America and the southern parts of the United States and has been introduced into other parts of the world. It was first described by the German botanist Friedrich Karl Georg Fedde in 1904."@en . "Sourgrass"@en . "*Tricholaena insularis (L.) Griseb." . . . "*Andropogon insularis L." .