Friedrich Wilhelm Ludwig Kraenzlin (1847-1934) was a German botanist, who appeared after Heinrich Gustav Reichenbach. He revised several orchid genera and described many new orchids, mostly from South Africa
and Central- and South America.
His book Orchidacearum Genera et Species has never been finished. Friedrich (Fritz) Wilhelm Ludwig Kraenzlin has been associated with the Natural History Museum in London, which has been seperated from the British Museum (BM) in 1963.
His author abbreviation is: Kraenzl.