Athanasia pinnatifida (Oliv.) Hilliard accepted as Phymaspermum pinnatifidum (Oliv.) Källersjö (original description)
Athanasia villosa Hilliard accepted as Phymaspermum villosum (Hilliard) Källersjö (original description)
Athanasia woodii (Thell.) Hilliard accepted as Phymaspermum woodii (Thell.) Källersjö (original description)
Cotula lineariloba (DC.) Hilliard (original description)
Cotula membranifolia Hilliard (original description)
Cotula paludosa Hilliard (original description)
Cotula socialis Hilliard (original description)
Gnaphalium limicola Hilliard (original description)
Helichrysum adenocarpum subsp. ammophilum Hilliard (original description)
Helichrysum basalticum Hilliard (original description)
Helichrysum chiliocephalum Hilliard & B.L.Burtt accepted as Chiliocephalum schimperi Benth. (original description)
Helichrysum cymosum subsp. calvum Hilliard (original description)
Helichrysum dasymallum Hilliard (original description)
Helichrysum glaciale Hilliard (original description)
Helichrysum griseolanatum Hilliard (original description)
Helichrysum hyphocephalum Hilliard (original description)
Helichrysum lingulatum Hilliard (original description)
Helichrysum paleatum Hilliard (original description)
Helichrysum pedunculatum Hilliard & B.L.Burtt (original description)
Helichrysum petiolare Hilliard & B.L.Burtt (original description)
Helichrysum praecurrens Hilliard (original description)
Helichrysum sessilioides Hilliard (original description)
Helichrysum silvaticum Hilliard (original description)
Helichrysum subfalcatum Hilliard (original description)
Helichrysum vernum Hilliard (original description)
Nidorella tongensis Hilliard (original description)
Nolletia ruderalis Hilliard (original description)
Senecio brevilorus Hilliard (original description)
Senecio helminthioides (Sch.Bip.) Hilliard (original description)
Senecio macroglossoides Hilliard (original description)
Senecio ngoyanus Hilliard (original description)
Senecio panduriformis Hilliard (original description)
Senecio tanacetopsis Hilliard (original description)
Staehelina petiolata (L.) Hilliard & B.L.Burtt (original description)
Vernonia neocorymbosa Hilliard accepted as Gymnanthemum corymbosum (Thunb.) H.Rob. (original description)