Actinea linearifolia oblongifolia (Greene) Kittell (original description)
Actinea scaposa angustifolia (Rydb.) Kittell (original description)
Actinea scaposa trinervata (Greene) Kittell (original description)
Aster glaucodes var. formosus (Greene) Kittell accepted as Herrickia glauca var. glauca (Nutt.) Brouillet (original description)
Baileya multiradiata var. perennis (A.Nelson) Kittell accepted as Baileya pleniradiata Harv. & A.Gray ex Harv. & A.Gray (original description)
Baileya multiradiata var. thurberi (Rydb.) Kittell accepted as Baileya multiradiata Harv. & A.Gray ex Torr. (original description)
Chrysothamnus parryi var. howardii Kittell accepted as Ericameria parryi var. howardii (Parry ex A.Gray) G.L.Nesom & G.I.Baird (original description)
Chrysothamnus pulchellus var. elatior (Standl.) Kittell accepted as Lorandersonia pulchella (A.Gray) Urbatsch, R.P.Roberts & Neubig (original description)
Iva xanthiifolia var. pedicellata (Rydb.) Kittell accepted as Iva xanthiifolia Nutt. (original description)