Tchihatchewia isatidea Boiss. in Tchich., Asie Min., Bot. 1: 292. 1860.

 Hesperis isatidea (Boiss.) D.A. German & Al-Shehbaz in Phytotaxa 334: 97. 2018 (Fig. 22C–D, p. 114).

Type: “ Armenia: montibus ad septentr. Euphrates vallem circumdantibus, inter pagos Kalaratch et Almalu (ad Orient. urbis Erzindjan), alt. 1700–2000m. T [chihatcheff] ”.

Lectotypus (designated by Al-Shehbaz in GERMAN & AL-SHEHBAZ, 2018: 97): TURKEY: “Armenia ad orientum. Urbis Erzindjan. Asia minor, Oest ”, 1858, Tchihatcheff s.n. (G-BOIS [G00332474]; isolecto-: P [P00835139]) .

Note. – Label of the isolectotype sheet at P has the generic name written in Boissier’s hand, and because of that the species name needed lectotypification.