Dieteria canescens

A species formerly placed in the catch-all genus Machaeranthera, found throughout the western United States. In southern New Mexico it occurs on roadsides and along the Rio Grande.

Pseudanthia at Mesilla Bosque State Park, 30 Sep 2007.

Side view of a pseudanthium, showing phyllaries, 30 Sep 2007.

Cauline leaves at Mesilla Bosque, 30 Sep 2007.

Plant habit at Mesilla Bosque, 30 Sep 2007.