Iljinskaja (Neogen. Fl. Zakarpatsk. Obl. USSR: 62. 19 Jul 1968) first designated fruit specimen as a lectotype (illustrated by Unger as pl. 24, fig. 8), but the specimen is missing. Therefore, her typification is superseded by a new lectotype in 1982 and 2004.
Kutuzkina (in Takhtajan, Iskop. Tsvetk. Rast. SSSR 2: 18. 1982) designated specimen illustrated by Unger as pl. 24, fig. 10; the specimen is missing. Therefore, her typification is superseded by a new lectotype in 2004.