 Honorary member of the Botanical Society of Edinburgh 1934, "Lund Botanical Society" 1953, "Genetics Society of Japan" 1958 and the "Mendelian Society in Lund" 1960.Corresponding member of the Societas zoologica-botanica Fennica Vanamo 1945.He was elected member of the Royal Physiographic Society in Lund 1939, the Royal Swedish Academy of Agriculture and Forestry 1945, the Royal Society of Sciences in Uppsala 1945 and doctor honoris cause at Agricultural College upon his retirement in 1957.