Adenocaulon lyratum S.F.Blake (original description)
Alepidocline S.F.Blake (original description)
Alepidocline annua S.F.Blake (original description)
Archibaccharis hirtella var. intermedia S.F.Blake accepted as Archibaccharis intermedia (S.F.Blake) B.L.Turner (original description)
Archibaccharis hirtella var. taeniotricha S.F.Blake accepted as Archibaccharis taeniotricha (S.F.Blake) G.L.Nesom (original description)
Archibaccharis prorepens S.F.Blake accepted as Baccharis serrifolia DC. (original description)
Calea skutchii S.F.Blake accepted as Squamopappus skutchii (S.F.Blake) R.K.Jansen, N.A.Harriman & Urbatsch (original description)
Cirsium guatemalense S.F.Blake (original description)