Austrian botanist (1863-1931).
Richard Wettstein (30 June 1863 – 10 August 1931) was an Austrian botanist. His taxonomic system, the Wettstein system, was one of the earliest based on phyletic principles. Wettstein studied in Vienna under Anton Kerner von Marilaun and later married Kerner's daughter Adele. Their sons included the botanist Fritz von Wettstein and the zoologist Otto von Wettstein. His grandson Diter von Wettstein was a plant geneticist. During his time at the University of Vienna, he founded the student-led Natural Science Association with his friend Karl Eggerth in 1882. He was a professor at the University