12 505432 Helleborus dumetorum Waldst. & Kit. ex Willd. [80 505413 Helleborus atrorubens Waldst. & Kit.]
J. Paxton, J. Lindley, Paxton’s Fl. Gard., vol. 2 : p. 55, fig. 162 (1853)
J. Paxton, J. Lindley, Paxton’s Fl. Gard., vol. 2 : p. 55, fig. 162 (1853)