Berteroa orbiculata var. stricta (Boiss. & Heldr.) Boiss.,

Fl. Orient. 1: 291. 1867.

 Berteroa stricta Boiss. & Heldr. in Boiss., Diagn. Pl. Orient. ser. 2, 1: 35. 1854.

Type: “Hab. frequens ad radices montis Olympi Thessali propè Katarine (Heldr. Aug. 1851)”.

Holotypus: GREECE: “Freq. ad radices m. Olympi. Thessaliae pr. Katarine”, 3.VIII.1851, Heldreich 2404 (G-BOIS [G00332428]; iso-: W [W18890008656]) .

= Berteroa incana (L.) DC., Syst. Nat. 2: 291. 1821.

Note. – The species was described based on G-BOIS duplicate alone and, therefore, it is the holotype .