Baccharis braunii (Pol.) Standl. accepted as Baccharis pedunculata (Mill.) Cabrera (original description)
Calea dichotoma Standl. accepted as Calea ternifolia Kunth (original description)
Eupatorium allenii Standl. accepted as Ageratina allenii (Standl.) R.M.King & H.Rob. (original description)
Eupatorium brenesii Standl. accepted as Neomirandea standleyi (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium valerioanum Standl. accepted as Fleischmannia hymenophylla (Klatt) R.M.King & H.Rob. (original description)
Liabum valerii Standl. accepted as Oligactis valeri (Standley) H.Rob. & Brettell (original description)
Senecio schizotrichus Greenm. ex Standl. (original description)
Senecio schizotrichus Greenm. (original description)