]> [collector note: HU] Example of Name Published: Notocactus courantii (Lem.) S. Theunissen in Succulenta 60(6): 141. 1981 Botany Theunissen, Joseph ("Sjef") Clément Marie Theunissen, Joseph ("Sjef") Clément Marie J. C. M. Theunissen J.Theun. J. Theunissen Joseph ("Sjef") Clément Marie Theunissen Theunissen, J. Theunissen, Sjef Theunissen, Joseph C.M. 1938