Brachylaena huillensis O.Hoffm. (original description)
Brachylaena mullensis O.Hoffm. accepted as Brachylaena huillensis O.Hoffm. (original description)
Dimorphotheca dekindtii O.Hoffm. accepted as Dimorphotheca caulescens Harv. (original description)
Helichrysum antunesii Volkens & O.Hoffm. accepted as Helichrysum quartinianum A.Rich. (original description)
Pleiotaxis huillensis O.Hoffm. (original description)
Senecio affinis Greenm. (original description)
Senecio amadorensis Greenm. (original description)
Senecio antunesii O.Hoffm. (original description)
Senecio bernoullianus Greenm. accepted as Pseudogynoxys haenkei (DC.) Cabrera (original description)
Senecio camporum Greenm. (original description)
Senecio chrysanthus Greenm. (original description)
Senecio conchilobus Engelm. ex Greenm. (original description)
Senecio convolvuloides Greenm. accepted as Pseudogynoxys chenopodioides (Kunth) Cabrera (original description)
Senecio dekindtianus Volkens & O.Hoffm. accepted as Senecio pachyrhizus O.Hoffm. (original description)
Senecio diffusus Greenm. (original description)
Senecio filicifolius Greenm. accepted as Senecio flaccidus var. monoensis (Greene) B.L.Turner & T.M.Barkley (original description)
Senecio hartmannii Greenm. (original description)
Senecio kingii Greenm. (original description)
Senecio lachnorhizus O.Hoffm. accepted as Senecio coronatus (Thunb.) Harv. (original description)
Senecio latipes Greenm. (original description)
Senecio leucanthus Greenm. (original description)
Senecio lindheimeri Greenm. (original description)
Senecio multicapitatus Greenm. (original description)
Senecio pembrinensis Greenm. (original description)
Senecio potosinus Greenm. (original description)
Senecio pyroloides Greenm. (original description)
Senecio robinsonianus Greenm. accepted as Roldana robinsoniana (Greenm.) H.Rob. & Brettell (original description)
Senecio rothrockii Greenm. (original description)
Senecio sect. Amplectentes Greenm. (original description)
Senecio sect. Streptothamnus Greenm. accepted as Pentacalia Cass. (original description)
Senecio sordidus Greenm. (original description)
Senecio subg. Pseudogynoxys Greenm. accepted as Pseudogynoxys (Greenm.) Cabrera (original description)
Senecio trixioides Greenm. accepted as Pseudogynoxys chenopodioides (Kunth) Cabrera (original description)
Senecio uspantanensis (J.M.Coult.) Greenm. (original description)
Senecio vaseyi Greenm. accepted as Senecio integerrimus var. exaltatus (Nutt.) Cronquist (original description)
Senecio viejensis Greenm. (original description)
Senecio watsonii Greenm. (original description)
Senecio willowensis Greenm. (original description)
Senecio xenostylus O.Hoffm. (original description)
Vernonia chiliocephala O.Hoffm. (original description)
Vernonia cleanthoides O.Hoffm. (original description)