Johann Müller (1828–96)

Swiss botanist. Born in the canton of Aargau, he adopted the appellation "Argoviensis" to distinguish himself from other botanists of the same name. Curator of the Candolle herbarium, Geneva, 1851–74. Lectured at the Académie in Geneva from 1868. Professor extraordinarius of medical and pharmaceutical botany, University of Geneva, 1871–6; professor, 1876–89. Curator of the Delessert herbarium and director of the botanical garden of Geneva, 1874–96. In the 1860s, worked chiefly on lichens.