What is "trichloris"

Trichloris is a genus of New World plants in the grass family.

1. Trichloris crinita (Lag.) Parodi - United States ( Arizona, New Mexico, Texas), northern Mexico ( Baja California Sur, Sonora, Chihuahua, Durango, Coahuila, San Luis Potosí), South America ( Bolivia, Peru, Argentina, Paraguay, Uruguay, Chile)
2. Trichloris pluriflora E.Fourn. - Texas, Mexico, Guatemala, Cuba, Venezuela, Colombia, Ecuador, Peru, Bolivia, Paraguay, northern Argentina