German mycologist (1882-1944).
Julius Schäffer (3 June 1882 – 21 October 1944) was a German mycologist. His contributions include studies on the Agaricales (gilled mushrooms), especially the genus Russula, about which he wrote a monograph in 1933 and issued the exsiccata Russulae exsiccatae a Jul. Schaeffer in Annal. Mycolog. vol. 31 & 32 (Russula-Monographie) descriptae. Later, he revised the genus in the series Die Pilze Mitteleuropas (1926–1967); his notes were published posthumously by his wife Liesel in 1952 with the help of other mycologists. The work was considered the "authoritative treatment of the group for Centr