Arctotis arctotoides (L.f.) O.Hoffm. (original description)
Arctotis decurrens (Less.) O.Hoffm. accepted as Arctotis arctotoides (L.f.) O.Hoffm. (original description)
Arctotis spathuligera (DC.) O.Hoffm. accepted as Arctotis arctotoides (L.f.) O.Hoffm. (original description)
Arctotis wybi O.Hoffm. (original description)
Berkheya discolor (DC.) O.Hoffm. & Muschl. (original description)
Berkheya heterophylla (Thunb.) O.Hoffm. (original description)
Berkheya onobromoides (DC.) O.Hoffm. & Muschl. (original description)
Berkheya speciosa (DC.) O.Hoffm. (original description)
Helichrysum dasycephalum O.Hoffm. (original description)
Helichrysum inerme Moeser ex O.Hoffm. & Muschl. (original description)
Helichrysum manopappum O.Hoffm. accepted as Helichrysum rutilans (L.) D.Don (original description)
Helichrysum versicolor O.Hoffm. & Muschl. (original description)
Pentheriella O.Hoffm. & Muschl. (original description)
Pentheriella krookii O.Hoffm. & Muschl. accepted as Heteromma krookii (O.Hoffm. & Muschl.) Hilliard & B.L.Burtt (original description)
Relhania rigida accepted as Relhania calycina subsp. calycina (L.f.) L'Hér. (original description)
Senecio insizwaensis O.Hoffm. & Muschl. (original description)
Stoebe pentheri O.Hoffm. (original description)