Brachyscome radicata var. β Hook.f. accepted as Brachyscome sinclairii Hook.f. (original description)
Erechtites hispidulus Hook.f. accepted as Senecio scaberulus (Hook.f.) D.G.Drury (original description)
Erechtites prenanthoides var. β minor Hook.f. accepted as Senecio wairauensis Belcher (original description)
Gnaphalium bellidioides (G.Forst.) Hook.f. accepted as Anaphalioides bellidioides (G.Forst.) Glenny (original description)
Gnaphalium keriense var. linifolia Hook.f. accepted as Anaphalioides subrigida (Colenso) Anderb. (original description)
Gnaphalium trinerve Hook.f. accepted as Anaphalioides hookeri (Allan) Anderb. (original description)
Lagenophora petiolata var. α Hook.f. accepted as Lagenophora petiolata Hook.f. (original description)
Lagenophora petiolata var. β Hook.f. accepted as Lagenophora strangulata Colenso (original description)
Leptinella squalida subsp. squalida Hook.f. accepted as Cotula squalida (Hook.f.) Hook.f. (original description)
Olearia colensoi var. α Hook.f. accepted as Olearia colensoi var. argentea Allan (original description)
Olearia semidentata Decne. (original description)
Picris hieracioides var. glabrata Hook.f. accepted as Picris hieracioides L. (original description)
Senecio banksii var. β velleia Hook.f. accepted as Senecio banksii Hook.f. (original description)
Senecio banksii var. γ scabrosus Hook.f. accepted as Senecio banksii Hook.f. (original description)
Senecio forsteri Hook.f. accepted as Brachyglottis repanda J.R.Forst. & G.Forst. (original description)
Senecio lautus var. raoulii Hook.f. accepted as Senecio matatini subsp. basinudus (Ornduff) Courtney, de Lange & Pelser (original description)
Senecio lautus var. γ macrocephalus Hook.f. accepted as Senecio sterquilinus Ornduff (original description)
Taraxacum officinale var. pygmaea Hook.f. accepted as Taraxacum campylodes G.E.Haglund (original description)