der Schweiz 1878 - Beiträge zur fossilen Flora Sibiriens und des Amurlandes 1884 - Analytische Tabellen zur Bestimmung der phanerogamischen Pflanzengattungen der Schweiz Notes References Attribution External links 1809 births 1883 deaths Christian creationists 19th-century Swiss geologists Swiss naturalists Swiss entomologists Wollaston Medal winners Martin Luther University of Halle-Wittenberg alumni Academic staff of the University of Zurich Academic staff of ETH Zurich Royal Medal winners Corresponding members of the Saint Petersburg Academy of Sciences Paleobotanists