]> [collector note: USSR: CWU (orig. from Crimea, col. 1949-50 & from Ukraine (mainly Charkov region), col. 1947-52), LE (orig. from C. Asia, col. 1952; from Kola Pen., col. 1953; from Pavlodar region, col. 1955; from Nakhichevan & Armenia, col. 1956; from Leningrad region, col. 1953-56).] Botany Tsvelev, Nikolai Nikolajevic Tsvelev, Nikolai Nikolajevic N. N. Tsvelev Cvelev 1925