7. DIGITARIA PATENS (Swallen) Henrard, Blumea 1 (1): 99. 1934.
Trichachne patens Swallen, Amer. J. Bot. 19 (5): 442. 1932.
— TYPE: U. S. A. Texas: San Antonio, Lake Mitchell, large clumps, dry prairie soil, 18–24 Jun 1910, A. S. Hitchcock 5328 (holotype: US; isotypes: BAA –645!, US!). Figure 6.
Iconography — Swallen (1932: 441 sub Trichachne patens; base of the plant, inflorescence, spikelet and upper floret); Henrard (1950: 527, spikelet and upper floret).
Geographical Distribution and Ecology — U. S. A. and Mexico. Inhabits rocky places and usually forms large patches along roadsides from sea level to 500 m.