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.Published as part of AL-Shehbaz, Ihsan A. & Barriera, Gabrielle, 2019, Typification of Edmond Boissier's Cruciferae (Brassicaceae) names enumerated in Flora Orientalis, pp. 1-193 in Boissiera 72 on pages 133-134, DOI: 1...