Actinea acaulis var. arizonica (Greene) S.F.Blake ex Munz accepted as Tetraneuris acaulis var. arizonica (Greene) K.F.Parker (original description)
Haplopappus acradenius var. eremophila (Greene) Munz accepted as Isocoma acradenia var. eremophila (Greene) G.L.Nesom (original description)
Haplopappus venetus var. decumbens (Greene) Munz accepted as Isocoma menziesii var. decumbens (Greene) G.L.Nesom (original description)
Haplopappus venetus var. furfuraceus (Greene) Munz accepted as Isocoma menziesii var. decumbens (Greene) G.L.Nesom (original description)
Haplopappus venetus var. oxyphyllus (Greene) Munz accepted as Isocoma menziesii var. menziesii (Hook. & Arn.) G.L.Nesom (original description)
Haplopappus venetus var. sedoides (Greene) Munz accepted as Isocoma menziesii var. sedoides (Greene) G.L.Nesom (original description)
Stephanomeria pauciflora var. myrioclada (D.C.Eaton) Munz accepted as Stephanomeria tenuifolia (Raf.) H.M.Hall (original description)