Barbarea conferta Boiss. & Heldr. in Boiss., Fl. Orient. Suppl.: 36. 1888.

Type: “Hab. in humidis regionis mediae montis Kyllenes supra Trikala Achaiae 3–4500' (Heldr. 3646!)”.

Holotypus: GREECE: “In humidis pagi. In m. Kyllenes regione media pr. Trikala (Achaiae)”, 3000'–4500' [920–1370 m], 1.VIII.1871, Heldreich 3646 (G-BOIS [G00332110]; iso-: B [B100241063]) .

= Barbarea vulgaris subsp. arcuata (Opiz) Hayek in Repert. Spec. Nov. Regni Veg. Beih. 30(1): 387. 1925.

Note. – The holotype is a collection folder of three sheets, of which only one has a handwritten label by Heldreich, and the other two are unlabeled.