]> [collector note: Lower Wolga, Caucasus, Dagestan, Sarepta; B, FI, G, GB, GH, KIEL, LE, MANCH, MW, OXF, P, US, W, WAG, CGE, K, LY] Botany Becker, Alexander K. Becker, Alexander K. A. K. Becker Becker, A. K. 1818 1901