Johannes Müller Argoviensis
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Johannes Müller Argoviensis was the name used by the Swiss botanist Johann Müller (b. 9 May 1828 in Teufental, Aargau, d. 28 January 1896 in Geneva). He was the monographer of Resedaceae, Apocynaceae and Euphorbiaceae in A. P. de Candolle's Prodromus and Martius's Flora Brasiliensis. He was also an authority on lichens.