United States, Texas, Bexar, San Antonio, in the flood plain of Olmos Creek, ca. 20 m from St. Hwy 281. At Olmos Park Public Golf Course.
29.49 -98.48
Probably planted for bank stabilization (TX DOT). Mixed in with Johnson grass (Sorghum halepense) along embankment. Ca. 10 plants again mixed in Johnsongrass and commno Bermuda grass (CYnodon dactylon).