Typification of Edmond Boissier’s Cruciferae (Brassicaceae) names enumerated in Flora Orientalis Author AL-Shehbaz, Ihsan A. Missouri Botanical Garden 4344 Shaw Boulevard St. Louis, Missouri 63110, USA ihsan.al-shehbaz@mobot.org Author Barriera, Gabrielle Conservatoire et Jardin botaniques de la Ville de Genève Case postale 71 1292 Chambésy, Switzerland gabrielle.barriera@ville-ge.ch text Boissiera 2019 2019-12-23 72 1 193 journal article 10.5281/zenodo.7630433 180b8c6d-242a-4fff-a1a3-e88d2e1e51ed 978-2-8277-0088-2 0373-2975 7630433 Erysimum nanum Boiss. & Hoh. in Boiss., Diagn. Pl. Orient. 8: 23. 1849 . Type: “Hab. in cacuminibus alpium Hasartschal montis Elbrus alt. 1000'. Kotschy Nº 487”. Holotypus : IRAN : “Pr. cacumi in alpibus Hasartschal in partibus occidentalibus m. Elbrus”, 10000' [ 3050 m ], 12.VII.1843 , Kotschy 487 ( G-BOIS [ G00332134 ]; iso-: BM [ BM001031449 ], BP , FI [ FI 005675], G [ G00343205 ], GJO , KW [ KW000127962 ], LE [ LE00013005 ], MO [ MO3831820 ], P [ P02272738 , P02272739 ], TUB , W [ W0026724 ]) . = Erysimum caespitosum DC., Syst. Nat. 2: 497. 1821 . Notes. – Because Boissier based the species description solely on the unicate in his herbarium, the first lectotypification of the name by POLATSCHEK & RECHINGER (1968: 290) and second by POLATSCHEK (2011: 421) based on the W rather than the G-BOIS duplicate were not needed. The W duplicate slightly differs from the holotype in the locality and elevation and is recognized as a questionable isotype.