Brickellia squarrosa (Cav.) B.L.Rob. & Seaton accepted as Brickellia cavanillesii (Cass.) A.Gray (original description)
Cacalia peltigera B.L.Rob. & Seaton accepted as Psacalium peltigerum (B.L.Rob. & Seaton) Rydb. (original description)
Cacalia platylepis B.L.Rob. & Seaton accepted as Psacalium platylepis (B.L.Rob. & Seaton) H.Rob. & Brettell (original description)
Calea multiradiata Seaton accepted as Sabazia multiradiata (Seaton) Longpre (original description)
Cnicus tolucanus B.L.Rob. & Seaton accepted as Cirsium tolucanum (B.L.Rob. & Seaton) Petr. (original description)
Encelia stricta Seaton accepted as Verbesina seatonii S.F.Blake (original description)
Eupatorium saltivarii Sch.Bip. (original description)
Eupatorium saltivarii Sch.Bip. ex B.L.Rob. & Seaton accepted as Ageratina prunellaefolia (Kunth) R.M.King & H.Rob. (original description)
Piqueria laxiflora B.L.Rob. & Seaton (original description)
Piqueria pringlei B.L.Rob. & Seaton (original description)
Sabazia subnuda B.L.Rob. & Seaton (original description)
Schkuhria glomerata B.L.Rob. & Seaton (original description)
Senecio alienus B.L.Rob. & Seaton (original description)
Stevia laxa B.L.Rob. & Seaton accepted as Stevia micradenia B.L.Rob. (original description)
Tridax palmeri var. indivisa B.L.Rob. & Seaton (original description)
Verbesina oncophora B.L.Rob. & Seaton (original description)
Viguiera pedunculata Seaton accepted as Viguiera dentata (Cav.) Spreng. (original description)