What is a genus of North American plants in the aster tribe within the daisy family, Sorbus or Townsendia ?
Townsendia Townsendia is a genus of North American plants in the aster tribe within the daisy family.
Hemizonia Hemizonia is a genus of plants in the daisy family (Asteraceae). They are known generally as tarweeds, although some tarweeds belong to other genera, such as "Madia" and "Deinandra". Furthermore, "Hemizonia" is currently being revised; some species may be segregated into new genera.