Helleborus × hybridus (UK)
Helleborus × hybridus H.Vilm., Vilm. Blumengärtn. ed. 3, 1: 27 (1894); . SK 3346 09 March 2022: 8 very high res....
Helleborus
Helleborus argutifolius (Introduced- USA/UK)
Helleborus argutifolius Viv., Fl. Cors. Prodr.: 8 (1824) (syn: Helleborus corsicus Willd. ex Mabille; Helleborus corsicus f. angustifolius Schiffn.; Helleborus corsicus f. latifolius Schiffn. ; Helleborus...Helleborus orientalis (Introduced- USA)
Helleborus orientalis Lam., Encycl. 3: 96 1789. (Syn: Helleborus kochii Schiffn. (unresolved); Helleborus officinalis Salisb. (Unresolved); Helleborus ponticus A.Braun (Unresolved)); . Turkey (N-Anatolia,...