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Dieteria is a North American genus of flowering plants in the sunflower family.

The genus Dieteria is closely related to Machaeranthera but distinguished by having entire to toothed leaves, whereas Machaeranthera has once or twice pinnate leaves.

  • Dieteria bigelovii (A.Gray) D.R.Morgan & R.L.Hartm. - Arizona, New Mexico, Colorado, Utah, Wyoming
  • Dieteria canescens (Pursh) Nutt. - most of western United States and western Canada; Chihuahua
formerly included
  • Dieteria asteroides Torr. - now called Machaeranthera asteroides (Torr.) Greene - Chihuahua, Durango, California, Nevada, Arizona, New Mexico, Colorado