Erysimum olympicum Boiss., Fl. Orient. 1: 191. 1867.

Type: “Hab. in regione sylvaticâ Olympi Thessali ad Mavrolonghos (Heldr!)”.

Holotypus: GREECE: “In reg. sylvatica m. Olympi Thessaliae (ad Mavrolonghos)”, 25.VII.1851, Heldreich 2403 (G-BOIS [G00332117]; iso-: B [B100249594], FI, W [W0064324, W18890311919], WU [WU0075954]) .

Note. – The holotype is a collection folder of two sheets one of which is with a label as above and the other with: “Olympus Thessales” on the label.