Ratibida pinnata (Vent.) Barnh.
gray-headed prairie coneflower, gray-headed Mexican hat
gray-headed prairie coneflower, gray-headed Mexican hat
July 27,
Alewife Reservation, Cambridge
The only fibrous-rooted species of Ratibida listed in FNA; discs ellipsoid to globular or ovoid, 10–25 mm tall. A clone persisting along a major trail