Classification
Class
Magnoliopsida Brongn.
Order
Ranunculales Juss. ex Bercht. & J.Presl
Family
Ranunculaceae
Genus
Helleborus L.
 Nomenclature
Scientific Name:
Helleborus orientalis Lam., Encycl. [J. Lamarck & al.] 3, 98 (1789)
Vernacular Name(s):
Lenten rose
 Biostatus
Exotic
 Bibliography
Heenan, P.B.; de Lange, P.J.; Cameron, E.K.; Ogle, C.C.; Champion, P.D. 2004: Checklist of dicotyledons, gymnosperms, and pteridophytes naturalised or casual in New Zealand: additional records 2001–2003. New Zealand Journal of Botany 42: 797–814.
Hobbs, J.; Hatch, T. 1994: Bulbs for New Zealand Gardens. Godwit Press, Auckland.
Lamarck, J.B.P.A. de 1789–1792: Encyclopédie Méthodique. Botanique. Vol. 3. Panckoucke, Paris.
Steele, R.; Lowe, M. 2002–2006: Index. Subtropicals Index: 1–12.