Ageratina nesomii B.L.Turner (original description)
Ageratina rollinsii B.L.Turner (original description)
Brickellia microphylla subsp. scabra (A.Gray) W.A.Weber accepted as Brickellia microphylla var. scabra A.Gray (original description)
Brickellia rosmarinifolia (Vent.) W.A.Weber accepted as Brickellia eupatorioides var. eupatorioides (L.) (original description)
Brickellia rosmarinifolia subsp. chlorolepis (Wooton & Standl.) W.A.Weber accepted as Brickellia chlorolepis (Wooton & Standl.) Shinners (original description)
Chresta harleyi H.Rob. (original description)
Critoniella tenuifolia (Kunth) R.M.King & H.Rob. (original description)
Psilochenia occidentalis subsp. pumila (Rydb.) W.A.Weber accepted as Crepis occidentalis subsp. pumila (Rydb.) Babc. & Stebbins (original description)
Psilochenia runcinata subsp. glauca (Nutt.) W.A.Weber accepted as Crepis runcinata subsp. glauca (Nutt.) Babc. & Stebbins (original description)