1a. Digitaria californica (Benth.) Henrard var. californica

Iconography — Henrard (1950: 107, spikelet and upper floret); Vega and Rúgolo de Agrasar (2012: 292).

Geographical Distribution and Ecology — U. S. A., Central America, Peru (Tovar 1993), Bolivia, Mexico, Colombia, Uruguay, and Argentina. Inhabits dry, sandy lands and mountain regions from sea level to 3,500 m.