Chrysopsis arenaria Elmer accepted as Heterotheca sessiliflora subsp. bolanderi (A.Gray) Semple (original description)
Chrysopsis gracilis Eastw. (original description)
Erigeron copelandii Eastw. accepted as Tetramolopium tenerrimum (Less.) Nees (original description)
Erigeron decumbens Eastw. accepted as Erigeron petrophilus var. viscidulus (A.Gray) G.L.Nesom (original description)
Eriophyllum greenei Elmer accepted as Eriophyllum lanatum var. achillioides (DC.) Jeps. (original description)
Leptosyne hamiltonii Elmer accepted as Coreopsis hamiltonii (Elmer) H.Sharsm. (original description)
Pentachaeta laxa Elmer (original description)
Psilocarphus tenuis Eastw. accepted as Psilocarphus tenellus Nutt. (original description)
Senecio millikenii Eastw. accepted as Senecio serra var. serra Hook. (original description)