1937-1941; at Uzbek University, Samarkand. 1941-1943 at Central Asian University, Tashkent. 1952-1956 Director, Institute of Botanies, Uzbek Academy of Sciences.
1956-1957 Rector, Uzbek University. Main works deal with geographical, biology and taxonomy of plants. Studied flora of Zeravshan River.
Established theoretical basis of division of Central Asia into zones and belts.