United States, Texas, Brazoria, Eagle Nest Lake Road., ca 7 mi. N or Brazos River at Eagle Nest Lake.
29.167828 -95.434256 +-10000m.
Bank above ditch. slightly clayey dark brown sand. Grass prairie with few small Celtis sp. Annual herb, 30-70 cm. Upright, very bushy at top. Pale yellow ray and disk florets. Flowers have resinous odor.