Anthemis gilanica Bornm. & Gauba (original description)
Crepis gaubae Bornm. (original description)
Crepis quercifolia Bornm. & Gauba (original description)
Erigeron keredjensis Bornm. & Gauba accepted as Chamaegeron keredjensis (Bornm. & Gauba) Grierson (original description)
Helichrysum kandavanense Bornm. & Gauba (original description)
Hieracium adenocomum Sleumer (original description)
Hieracium infravillosulum Sleumer (original description)
Hieracium jaliscense var. guatemalense Sleumer accepted as Hieracium pringlei A.Gray (original description)
Hieracium paletaranum Sleumer (original description)
Hieracium trollii Sleumer (original description)
Jurinea ancyrensis Bornm. (original description)
Sosnovskya Takht. accepted as Centaurea L. (original description)
Sosnovskya amblyolepis (Ledeb.) Takht. accepted as Psephellus amblyolepis (Ledeb.) Wagenitz (original description)
Xanthium natalense Widder accepted as Xanthium strumarium L. (original description)