Helminthotheca echioides (L.) Lack accepted as Helminthotheca echioides (L.) Holub (original description)
Helminthotheca sect. Deckera (Sch.Bip.) Lack (original description)
Picris cyrenaica (Pamp.) Lack (original description)
Picris sect. Annuae Boiss. ex Lack (original description)
Picris strigosa subsp. canescens (Steven) Lack (original description)
Picris strigosa subsp. goniocaula (Boiss.) Lack (original description)
Picris subsect. Altissimae Lack (original description)
Picris subsect. Hagioseris (Boiss.) Lack (original description)
Picris subsect. Hieracioides Vasil'ev ex Lack (original description)
Picris subsect. Integrifoliae Lack (original description)
Picris subsect. Pauciflorae Vasil'ev ex Lack (original description)
Picris subsect. Strigosae Vasil'ev ex Lack (original description)