| Fritz von Wettstein | |
| Birth Name: | Friedrich Wettstein, Ritter von Westersheim |
| Birth Date: | 24 June 1896 |
| Birth Place: | Prague, Kingdom of Bohemia, Austria-Hungary |
| Death Place: | Trins, Tirol, Austria |
| Nationality: | Austrian |
| Workplaces: | University of Göttingen Ludwig Maximilian University of Munich |
| Fields: | Botany |
Friedrich Wettstein, Ritter von Westersheim (24 June 1895 in Prague - 12 February 1945 in Trins, Tirol) was an Austrian botanist.
Fritz Wettstein was the son of Richard Wettstein. From 1925 he was professor at Göttingen, in 1931 in Munich and in 1934 director of the Kaiser Wilhelm Institute for Biology in Berlin-Dahlem.
Wettstein made a major contribution to botanical and genetical science. He worked especially on cytoplasmic inheritance in mosses and fireweed. Following Erwin Baur at the Kaiser Wilhelm Institut, Berlin-Dahlem, he investigated hybrids and polyploids of mosses, and advanced the understanding of the relationships and characteristics of polyploid forms.[1]
Wettstein has been criticised because at international scientific conferences before the war he defended National Socialist racial ideas.[2]