Flowers: sepal cusps 0.2-0.3 mm; styles straight, 0.07-0.25(-0.3) mm.

Flowering summer-fall. Wood-lands, thickets, rocky areas, waste places; 0-2000 m; Maine, Md., N.C., Pa., Tenn., Va., W.Va.

Variety nuttallii is perhaps better considered as a form of the species.