*Helleborus niger Linnaeus. Christmas-rose, Black Hellebore. Phen: Dec-Mar. Hab: Cultivated, rarely escaped or persistent. Dist: Native of n. Italy and adjacent areas.
Origin/Endemic status: Europe
Other Comments: Spreading locally from cultivation (Zomlefer et al. 2018).
Synonymy: = C, K3, K4, Mi, NY; = n/a – FNA3, Pa, RAB
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