Erysimum passgalense Boiss., Fl. Orient. 1: 198. 1867.

Type: “Hab. in regione inferiori montis Elburs Persiae borealis prope Passgala (Ky exs. 733!), in cacumine montium prope Schachbulagh (Szow!), ad Seidabad prope Tabris (Bunge!)”.

Lectotypus (designated by POLATSCHEK, 2011: 486): AZERBAIJAN: “In cacumine montium ad Schachbulagh”, 18.V.1829, Szovits 179 (G-BOIS [G00154051]; isolecto-: H, K [K000075395 not located], LE]) . Syntypi: IRAN: “Seidabad prope Tabriz”, s.d., Bunge 105 (P [P02272750]) ; “In m. Elbrus pr. pagum Passgala”, 1843, Kotschy 733 (G-BOIS [G00154050], P [P02272749]) .

= Erysimum collinum (M. Bieb.) Andrz. ex DC., Prodr. 1: 198.

Notes. – POLATSCHEK (2011) treated E. passgalense as a synonym of E. aucherianum, whereas GERMAN (2014) treated both as synonyms of E. collinum .

None of the above duplicates of the lectotype collection was examined.