Erysimum asperulum Boiss. & Heldr. in Boiss., Diagn. Pl. Orient. ser. 2, 6: 11. 1859.

Type: “Hab. in ipso pago Carpenisi Eurytaniae cl. Samaritani et Guicciardi”.

Holotypus: GREECE: “In pago Carpenisi Eurytaniae”, 2.VIII.1857, Samaritani & Guicciardi 3285 (G-BOIS [G00332125]; iso-: FI [FI 010134], K [K000693751]) .

Notes. – The K isotype has only Guicciardi 3285 as the collector, and all other data are the same as in the holotype.

Erysimum asperulum was lectotypified by Polatschek & Snogerup (in TAN & IATROÚ, 2001: 144), but that action was unnecessary because the species description was based solely on the single sheet in G-BOIS.