Arnica foliosa var. incana A.Gray accepted as Arnica chamissonis Less. (original description)
Arnica parryi A.Gray (original description)
Aster parryi A.Gray accepted as Xylorhiza glabriuscula Nutt. (original description)
Haplopappus multicaulis (Nutt.) A.Gray accepted as Oonopsis multicaulis (Nutt.) Greene (original description)
Schkuhria integrifolia A.Gray accepted as Platyschkuhria integrifolia (A.Gray) Rydb. (original description)
Townsendia condensata Parry ex Parry (original description)
Townsendia parryi Eaton (original description)