Born in Neuenhaus, Bentheim, Germany, on 24 October 1811, died in Utrecht, Netherlands, on 23 January 1871.
A Dutch botanist who never visited Australia, but accumulated a large private herbarium through a network of correspondents. He wrote on several important Australian families, and described a number of Australian species, particularly in the cycads, Casuarinaceae, Myrtaceae, Piperaceae and Polygonaceae. His main herbarium is now in U, but some of his Types can be found in G, K, L, MEL and P.
Extracted from: A.E.Orchard (1999) A History of Systematic Botany in Australia, in Flora of Australia Vol.1, 2nd ed., ABRS. [consult for source references]