Isatis callifera Boiss. & Balansa in Boiss., Diagn. Pl. Orient. ser. 2, 5: 46. 1856.
Type: “Hab. in fauce fluvii Guzel Déré suprâ Sedichig in Ciliciâ littorali cl. Balansa Fl. et Fr. Aprili”.
Holotypus: TURKEY: “Berges du Guzel Déré, en amont de Sedi-chig (Environs de Mersìna)”, 14.IV.1855, Balansa 203 (G-BOIS [G00332604]; iso-: P [P00741421]) .
Note. – The label indicates that the specimen is “unique”, though there is the duplicate above at P that was not annotated by Boissier. It was collected by Balansa and its label carries the exact information as that of the holotype but without the collection number and with the year indicated.