]> [author note: Herbarium and types: B. First Viola herbarium at Z; additional material at FR, GB, GJO, GOET, M, P, W. Violae Exsiccatae Germanicae, Austro-Hungaricae et Helvetiae] [collector note: B (orig.), FR, GB, GH, GJO, GOET, P, W] Botany Becker, Wilhelm Becker, Wilhelm W. Becker Wilhelm Becker 1874 1928