Mepụta ụdị ahịrịokwu a dị mgbagwoju anya Joseph Gaertner (March 12, 1732, Calw - July 14, 1791, Tübingen; n'asụsụ German Joseph Gärtner) bụ onye Germany bụ ọkà mmụta ihe ọkụkụ.
N'ezie, ụdị ahịrịokwu dị mgbagwoju anya bụ "Joseph Gaertner (March 12 1732 - July 14 1791) bụ onye German ọkà mmụta ihe ọkụkụ, nke a kacha mara maka ọrụ ya na mkpụrụ,''De Fructibus et Seminibus Plantarum''(1788 - 1792)".