Taraxacum californicum Munz & I.M.Johnst. (original description)
Vernonia flexipappa Gleason accepted as Cuatrecasanthus flexipappus (Gleason) H.Rob. (original description)
Vernonia pennellii Gleason accepted as Lepidaploa sclareaefolia (Sch.Bip.) H.Rob. (original description)
Vernonia spinulosa Gleason accepted as Stenocephalum jucundum (Gleason) H.Rob. (original description)
Vernonia trichoclada Gleason accepted as Lepidaploa trichoclada (Gleason) H.Rob. (original description)
Vernonia trichotoma Gleason accepted as Joseanthus trichotomus (Gleason) H.Rob. (original description)
Vernonia trilectorum Gleason accepted as Lepidaploa trilectorum (Gleason) H.Rob. (original description)