Stems hirsute to hirsuto-villous. Leaves margins ciliate, faces hirsute to hirsuto-villous. Ray corollas white. Disc corollas 4-4.5 mm. Cypselae strigose.

Flowering May-Jun. Rocks and rock ledges heavily covered with soil, humus, lichens, and mosses, densely shaded basswood-maple woodland; of conservation concern; 300-400 m; Minn.