Breweria pickeringii (Torrey ex M. A. Curtis) var. pattersonii Fernald & B. G. Schubert, Rhodora 51: 42, plate 1129. 1949 (as pattersoni)

Flowers: sepal apices acute to subacute; style branches 1–1.5 mm, unequal. 2n = 28.

Flowering May–Sep. Open, sandy prairies and woods, sand dunes; 0–500 m; Ala., Ark., Ill., Iowa, Kans., La., Miss., Mo., N.C., Okla., S.C., Tex.