Thlaspi microstylum Boiss., Diagn. Pl. Orient. 8: 38. 1849.

 Noccaea microstyla (Boiss.) F.K. Mey. in Feddes Repert. 84: 466. 1973.

Type: “[Boissier] Hab. in regione montanâ sylvaticâ Cassii in Syriâ boreali undè specimen unicum fructiferum retuli”.

Holotypus: TURKEY: “Cassius regio media”, V–VII.1846, Boissier s.n. (G-BOIS [G00332511]) .

Note. – No duplicates of the type collection were encountered in all of the herbaria consulted, and MEYER (2006c: 187) is followed in recognizing the G-BOIS sheet as the holotype.