Encelia virginensis subsp. actoni (Elmer) D.D.Keck accepted as Encelia actonii Elmer (original description)
Haplopappus venetus var. argutus (Greene) D.D.Keck accepted as Isocoma arguta Greene (original description)
Hulsea californica subsp. inyoensis D.D.Keck accepted as Hulsea vestita subsp. inyoensis (D.D.Keck) Wilken (original description)
Laphamia megalocephala subsp. intricata (Brandegee) D.D.Keck accepted as Perityle intricata (Brandegee) Shinners (original description)
Madia elegans subsp. wheeleri (A.Gray) D.D.Keck accepted as Madia elegans D.Don (original description)
Madia gracilis subsp. collina D.D.Keck accepted as Madia gracilis (Sm.) D.D.Keck & J.C.Clausen ex Applegate (original description)