Scientist Philipp Franz Jonkheer von Siebold (1796-1866)
Holland and Germany. "Doctor and Colonel in the Dutch service. Explorer and great authority on Japanese Irises and author of works on Japanese Flora." (AIS Alphabetical Check List, 1939)
Also see hybridizer Philipp Franz Jonkheer von Siebold.
Siebold, P. F. B. von, (1858), ex Lem. In Illustr. Hortic. v. (1858) t. 157. Iris kaempferi.
-- Main.RPries - 2012-05-18