Aostea Buscal. & Muschl. accepted as Vernonia Schreb. (original description)
Aostea helenae Buscal. & Muschl. (original description)
Aostea pulchra Buscal. & Muschl. (original description)
Baccharis incarum (Wedd.) Perkins accepted as Baccharis tola var. incarum (Wedd.) Joch.Müll. (original description)
Baccharis pflanzii Perkins accepted as Baccharis linearifolia subsp. polycephala (Wedd.) Joch.Müll. (original description)
Baccharis resinosa var. truncatifolia Perkins accepted as Baccharis conferta Kunth (original description)
Baccharis sternbergiana var. pubescens Perkins accepted as Baccharis arguta Gillies ex Hook. & Arn. (original description)
Chuquiraga parviflora (Griseb.) Hieron. (original description)
Culcitium pflanzii Perkins accepted as Senecio pflanzii (Perkins) Cuatrec. (original description)
Dicoma bangueolensis Buscal. & Muschl. (original description)
Erythrocephalum aostae Buscal. & Muschl. accepted as Erythrocephalum longifolium Benth. ex Oliv. (original description)
Erythrocephalum castellaneum Buscal. & Muschl. accepted as Erythrocephalum longifolium Benth. ex Oliv. (original description)
Erythrocephalum helenae Buscal. & Muschl. accepted as Erythrocephalum longifolium Benth. ex Oliv. (original description)
Eupatorium helenae Buscal. & Muschl. (original description)
Herderia nyiroensis Buscal. & Muschl. accepted as Gutenbergia somalensis (O.Hoffm.) M.G.Gilbert (original description)
Hoehnelia macrocephala Buscal. & Muschl. (original description)
Hypochaeris meyeniana var. ciliata (Wedd.) Perkins accepted as Hypochaeris meyeniana (Walp.) Benth. & Hook.f. ex Griseb. (original description)
Jaumea helenae Buscal. & Muschl. (original description)
Psiadia pseudonigrescens Buscal. & Muschl. (original description)
Pulicaria marsahitensis Buscal. & Muschl. accepted as Pulicaria somalensis subsp. somalensis O.Hoffm. (original description)
Senecio glacialis var. adenophylloides Perkins (original description)
Senecio helenae Buscal. & Muschl. (original description)
Senecio piscicellianus Buscal. & Muschl. (original description)
Sphacophyllum helenae Buscal. & Muschl. accepted as Anisopappus chinensis var. buchwaldii (O.Hoffm.) S.Ortiz, Paiva & Rodr.Oubiña (original description)
Stevia benderi Perkins (original description)
Stevia cardiatica Perkins (original description)
Verbesina benderi Perkins (original description)
Verbesina pflanzii Perkins (original description)
Vernonia aosteana Buscal. & Muschl. (original description)
Vernonia helenae Buscal. & Muschl. (original description)
Vernonia mossambicensis Buscal. & Muschl. (original description)
Viguiera pflanzii Perkins accepted as Viguiera procumbens (Pers.) S.F.Blake (original description)
Werneria knocheae Perkins accepted as Werneria pectinata Lingelsh. (original description)