Aster luzonensis Elmer (original description)
Blumea copelandii Elmer accepted as Conyza japonica (Thunb.) Less. ex Less. (original description)
Blumea laxiflora Elmer accepted as Blumea lanceolaria (Roxb.) Druce (original description)
Chrysogonum philippinense Elmer accepted as Anisopappus chinensis var. chinensis (original description)
Emilia marivelense Elmer (original description)
Emilia marivelensis Elmer accepted as Emilia coccinea (Sims) G.Don (original description)
Eupatorium sambucifolium Elmer (original description)
Eupatorium toppingianum Elmer (original description)
Gnaphalium oblancifolium Elmer accepted as Euchiton collinus (Labill.) Cass. accepted as Euchiton japonicus (Thunb.) Holub (original description)
Gynura latifolia (S.Moore) Elmer accepted as Gynura procumbens (Lour.) Merr. (original description)
Gynura vidaliana Elmer (original description)
Pluchea incisa Elmer accepted as Blumea incisa (Elmer) Merr. (original description)
Senecio benguetensis Elmer accepted as Blumea benguetensis (Elmer) Mattf. (original description)
Senecio confusus Elmer accepted as Senecio scandens Buch.-Ham. ex D.Don (original description)
Senecio mindoroensis Elmer accepted as Gynura procumbens (Lour.) Merr. (original description)
Senecio rubiginosus Elmer accepted as Gynura rubiginosa (Elmer) (original description)
Vernonia benguetensis Elmer (original description)
Vernonia lenticellata Elmer accepted as Decaneuropsis obovata (Gaudich.) H.Rob. & Skvarla (original description)