He was editor of Heinrich Wilhelm Schott's celebrated monograph on aroids, Aroideae Maximilianae, and with Theodor Kotschy (1813–1866), was co-author of Plantae Tinneanae, a book describing flora collected on the Tinné expedition to Sudan.
He and Steudner reached Khartoum in 1862 and there joined the party organized by Alexandrine Tinné and her mother Henriette Tinne-van Capellen, who then had just returned from a White Nile journey to Gondokoro.