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Helleborus caucasicus A.Br. var. punctatus Rgl.
Genus:
Helleborus
Species:
caucasicus var. punctatus
Author:
E.Regel
Published place:
St.Petersburg (Petropolitanus)
Published year:
1868
Published in:
E.Regel in: Index seminum quae hortus botanicus imperialis petropolitanus pro mutua commutatione offert... 1868: 89
Original seen in:
Harvard University Botany Libraries (A); Leiden (L) [photocopy]
Notes: