Achaetogeron purpurascens Greenm. accepted as Erigeron wislizeni var. purpurascens (Greenm.) G.L.Nesom (original description)
Altamirania Greenm. accepted as Podachaenium Benth. (original description)
Altamirania pachyphylla (Sch.Bip. ex Klatt) Greenm. accepted as Podachaenium pachyphyllum (Sch.Bip. ex Klatt) R.K.Jansen, N.A.Harriman & Urb (original description)
Archaetogeron Greenm. (original description)
Arnicastrum Greenm. (original description)
Arnicastrum glandulosum Greenm. (original description)
Arnicastrum glandulosum var. vestitum Greenm. (original description)
Aspilia aggregata Greenm. accepted as Wedelia aggregata (Greenm.) B.L.Turner (original description)
Aspilia stenophylla Greenm. (original description)
Bahia glandulosa Greenm. accepted as Hymenothrix glandulopubescens (Waterf.) B.G.Baldwin (original description)
Bidens bicolor Greenm. (original description)
Bidens tereticaulis var. sordida Greenm. accepted as Bidens squarrosa Kunth (original description)
Chrysanthellum mexicanum Greenm. accepted as Chrysanthellum indicum var. mexicanum (Greenm.) B.L.Turner (original description)
Clibadium anceps Greenm. (original description)
Clibadium glomeratum Greenm. (original description)
Clibadium pittieri Greenm. accepted as Clibadium eggersii Hieron. (original description)
Encelia adenophora Greenm. accepted as Simsia foetida (Cav.) S.F.Blake (original description)
Encelia angustifolia Greenm. accepted as Verbesina angustissima S.F.Blake (original description)
Encelia collodes Greenm. accepted as Flourensia collodes (Greenm.) S.F.Blake (original description)
Encelia conzattii Greenm. accepted as Verbesina hypoglauca Sch.Bip. ex Klatt (original description)
Encelia pilosa Greenm. accepted as Simsia lagascaeformis DC. (original description)
Encelia squarrosa Greenm. accepted as Viguiera squarrosa (Greenm.) S.F.Blake (original description)
Erigeron adenophorus Greenm. (original description)
Eryngiophyllum Greenm. accepted as Chrysanthellum Rich. (original description)
Eryngiophyllum rosei Greenm. (original description)
Eupatoriastrum Greenm. (original description)
Eupatoriastrum nelsonii Greenm. (original description)
Flaveria campestris J.R.Johnst. (original description)
Flaveria floridana J.R.Johnst. (original description)
Flaveria intermedia J.R.Johnst. accepted as Flaveria palmeri J.R.Johnst. (original description)
Flaveria linearis var. latifolia J.R.Johnst. accepted as Flaveria floridana J.R.Johnst. (original description)
Flaveria palmeri J.R.Johnst. (original description)
Gnaphalium altamiranum Greenm. accepted as Pseudognaphalium altimiranum (Greenm.) Anderb. accepted as Pseudognaphalium roseum (Kunth) Anderb. (original description)
Gnaphalium chartaceum Greenm. accepted as Pseudognaphalium chartaceum (Greenm.) Anderb. (original description)
Gnaphalium crenatum Greenm. accepted as Pseudognaphalium crenatum (Greenm.) Anderb. (original description)
Gnaphalium jaliscense Greenm. accepted as Pseudognaphalium jaliscense (Greenm.) Anderb. (original description)
Gnaphalium oaxacanum Greenm. accepted as Pseudognaphalium oaxacanum (Greenm.) G.L.Nesom (original description)
Gnaphalium oblanceolatum Greenm. accepted as Pseudognaphalium roseum (Kunth) Anderb. (original description)
Gnaphalium purpureum var. macrophyllum Greenm. accepted as Gamochaeta purpurea (L.) Cabrera (original description)
Gymnolomia microcephala var. abbreviata (B.L.Rob. & Greenm.) B.L.Rob. & Greenm. accepted as Viguiera cordata (Hook. & Arn.) D'Arcy (original description)
Gymnolomia microcephala var. brachypoda (B.L.Rob. & Greenm.) B.L.Rob. & Greenm. accepted as Viguiera cordata (Hook. & Arn.) D'Arcy (original description)
Gymnolomia microcephala var. guatemalensis (B.L.Rob. & Greenm.) B.L.Rob. & Greenm. accepted as Viguiera cordata (Hook. & Arn.) D'Arcy (original description)
Gymnolomia microcephala var. macrophylla (B.L.Rob. & Greenm.) B.L.Rob. & Greenm. accepted as Viguiera leptodonta S.F.Blake (original description)
Gymnolomia pittieri Greenm. accepted as Tithonia pittieri (Greenm.) S.F.Blake (original description)
Helianthus oaxacanus Greenm. accepted as Viguiera oaxacana (Greenm.) S.F.Blake (original description)
Lycoseris macrocephala Greenm. (original description)
Neurolaena macrophylla Greenm. (original description)
Perymenium macrocephalum Greenm. (original description)
Polymnia nelsonii Greenm. accepted as Smallanthus oaxacanus (Sch.Bip. ex Klatt) H.Rob. (original description)
Porophyllum calcicola B.L.Rob. & Greenm. (original description)
Rumfordia polymnioides Greenm. accepted as Rumfordia guatemalensis (J.M.Coult.) S.F.Blake (original description)
Senecio firmipes Greenm. accepted as Pentacalia firmipes (Greenm.) Cuatrec. (original description)
Senecio pterocaulis Greenm. accepted as Packera werneriifolia (A.Gray) W.A.Weber & Á.Löve (original description)
Spilanthes disciformis var. phaneractis Greenm. accepted as Acmella repens (Walter) Rich. ex Pers. (original description)
Spilanthes macrophylla Greenm. accepted as Acmella papposa var. macrophylla (Greenm.) R.K.Jansen (original description)
Stevia collodes Greenm. accepted as Stevia salicifolia Cav. (original description)
Tagetes nelsonii Greenm. (original description)
Trigonospermum floribundum Greenm. (original description)
Urbinella Greenm. (original description)
Urbinella palmeri Greenm. (original description)
Verbesina madrensis Greenm. (original description)
Vernonia vernicosa var. comosa Greenm. accepted as Lepidaploa tortuosa (L.) H.Rob. (original description)
Viguiera brevifolia Greenm. accepted as Viguiera dentata (Cav.) Spreng. (original description)
Viguiera cordifolia var. latisquama Greenm. (original description)
Viguiera eriophora Greenm. (original description)
Viguiera goldmanii Greenm. (original description)
Viguiera hypargyrea Greenm. (original description)
Viguiera microcephala Greenm. (original description)
Viguiera rosei Greenm. (original description)
Zaluzania pringlei Greenm. (original description)