Alomiella hatschbachii R.M.King & H.Rob. (original description)
Ambrosia dentata (Cabrera) M.O.Dillon (original description)
Aphanostephus skirrhobasis var. kidderi (S.F.Blake) B.L.Turner (original description)
Archibaccharis intermedia (S.F.Blake) B.L.Turner (original description)
Aspilia bishoplecta H.Rob. (original description)
Aspilia cardenasii H.Rob. (original description)
Aspilia cylindrocephala H.Rob. (original description)
Aspilia heringeriana H.Rob. (original description)
Aspilia hispidantha H.Rob. (original description)
Aspilia pseudoviguiera H.Rob. accepted as Aspilia floribunda (Gardner) Baker (original description)
Aspilia pseudoyedaea H.Rob. (original description)
Aspilia simpsoniae H.Rob. accepted as Aspilia leucoglossa Malme (original description)
Aspilia vieirae H.Rob. accepted as Aspilia leucoglossa Malme (original description)
Cronquistianthus trianae R.M.King & H.Rob. (original description)
Eupatorium parayanum J.Espinosa accepted as Ageratina parayana (Espinosa) B.L.Turner (original description)
Eupatorium ramireziorum J.Espinosa accepted as Ageratina ramireziorum (J.Espinosa) B.L.Turner (original description)
Gynoxys multibracteifera H.Rob. & Cuatrec. (original description)
Gynoxys regis H.Rob. & Cuatrec. accepted as Paragynoxys regis (H.Rob. & Cuatrec.) H.Rob. & Cuatrec. (original description)