Dicoria (twinbugs) is a genus of North American flowering plants in the tribe Heliantheae within the family Asteraceae, native to the southwestern United States and northwestern Mexico.Emory, William Hemsley. Report on the United States and Mexican boundary survey :made under the direction of the secretary of the Interior, Botany 2(1): pages 86–87 genus description in Latin, species description in EnglishEmory, William Hemsley. Report on the United States and Mexican boundary survey :made under the direction of the secretary of the Interior, Botany 2(1): plate 30 line drawing of Dicoria canescensTropicos, Dicoria Torr. & A. Gray Flora of North America, Dicoria canescens
