There were 2 illustrations found for Sontag
2 820206 Polygala comosa SchkuhrG.F.W. Meyer, Fl. Hannover, vol. 1 : t. 5 (1842) [Sontag]
819932Polygala amara L.
G.F.W. Meyer, Fl. Hannover, vol. 1 : t. 7 (1842) [Sontag]
2 820206 Polygala comosa Schkuhr819932