Helleborus purpurascens f. nanus Zapał. form synonym

Helleborus purpurascens f. baumgartenii (Kováts ex Schur) Nyár. form synonym

Helleborus purpurascens var. viridiflorus Schur variety synonym

Helleborus hunfalvyanus var. multifidus (Vis.) Kanitz variety synonym

Helleborus purpurascens f. grossedentatus Simonk. form synonym

Helleborus purpurascens f. subdivisus Zapał. form synonym

Helleborus hunfalvyanus var. odorus (Waldst. & Kit. ex Willd.) Kanitz variety synonym

Helleborus purpurascens var. subflabellatus Schur variety synonym

Helleborus hunfalvyanus var. dumetorum (Waldst. & Kit. ex Willd.) Kanitz variety synonym

Helleborus viridis var. atrovirens A.Braun variety synonym

Helleborus purpurascens var. baumgartenii (Kováts ex Schur) Kováts variety synonym

Helleborus purpurascens var. bocconei DC. variety synonym

Helleborus purpurascens f. tuzsonii Andr. form synonym

Helleborus purpurascens f. asper Simonk. form synonym

Helleborus triphyllus var. integrifolius (DC.) Gürke variety synonym

Helleborus corsicus subsp. lividus (Aiton) Schiffn. subspecies synonym

Helleborus viridis var. purpurascens (Waldst. & Kit.) Neilr. variety synonym

Helleborus viridis var. odorus (Waldst. & Kit. ex Willd.) Kitt. variety synonym

Helleborus corsicus f. latifolius Schiffn. form proparte synonym

Helleborus viridis var. dumetorum (Waldst. & Kit. ex Willd.) Sadl. variety synonym

Helleborus hunfalvyanus var. purpurascens (Waldst. & Kit.) Kanitz variety synonym

Helleborus decorus le Bêle ex K.Koch species synonym

Helleborus purpurascens f. dniesterensis Zapał. form synonym

Helleborus corsicus var. pictus Schiffn. variety synonym

Helleborus decorus le Bêle species homotypic synonym

Helleborus lividus var. integrilobus DC. variety synonym

Helleborus purpurascens f. quadriflorus Zapał. form synonym

Helleborus viridis var. subcoloratus A.Braun variety synonym

Helleborus viridis var. multifidus (Vis.) Vis. variety synonym

Helleborus purpurascens f. viridiflorus (Schur) Nyár. form synonym

Helleborus corsicus f. angustifolius Schiffn. form proparte synonym

Helleborus corsicus f. latifolius Schiffn. form proparte synonym

Helleborus ×tergestinus Starm. ex Rottenst. species accepted

Helleborus baumgartenii subsp. baumgartenii subspecies synonym

Helleborus ×tergestinus Starm., 2007 species doubtful

Helleborus purpurascens f. nanus (Zapal.) Simonk. form synonym

Helleborus purpurascens var. dniestrensis (Zapal.) Simonk. variety synonym

Helleborus purpurascens f. subdivisus (Zapal.) Simonk. form synonym

Helleborus purpurascens subsp. baumgartenii (Kováts) Simonk. subspecies synonym

Helleborus purpurascens f. quadriflorus (Zapal.) Simonk. form synonym

Veratrum helleboraster Garsault species synonym

Helleborus ×viridescens Schiffn. species doubtful

Helleborus vesicarius Aucher ex Boiss. species doubtful

Helleborus vaginatus Kit. ex Steud. species synonym

Helleborus triphyllus Lam. species synonym

Helleborus trifolius Mill. species synonym

Helleborus torquatus Archer-Hind species accepted

Helleborus thibetanus Franch. species accepted

Helleborus spinescens Tausch ex Schiffn. species synonym

Helleborus serbicus subsp. malyi Martinis subspecies synonym

Helleborus rhodanicus Jord. & Fourr. species synonym

Helleborus purpurascens Fuss species doubtful

Helleborus ×nigercors J.T.Wall., 1934 species doubtful

Helleborus ×lucidus Schiffn. species doubtful

Helleborus lividus subsp. corsicus (Briq.) Yeo subspecies synonym

Helleborus ×lemonnierae Demoly species doubtful

Helleborus latifolius Mill. species doubtful

Helleborus ×kamtschatensis Schiffn. species doubtful

Helleborus ×hybridus H.Vilm. species doubtful

Helleborus heterophyllus Wender. species doubtful

Helleborus foetida Georgi species accepted

Helleborus ×ericsmithii B.Mathew species doubtful

Helleborus croaticus f. polysectus Martinis form synonym

Helleborus croaticus f. latisectus Martinis form synonym

Helleborus croaticus f. angustisectus Martinis form synonym

Helleborus corsicus Mabille species synonym

Helleborus chinensis Maxim. species synonym

Helleborus biflorus species accepted

Helleborus ×ballardiae B.Mathew species accepted

Helleborus ×fissus Schiffn. species doubtful

Helleborus argutifolius Viv. species accepted

Helleborus angustifolius Walp. species accepted

Helleborus altifolius Steud. species synonym

Helleborus nemoralis Jord. & Fourr. species synonym

Helleborus heterophylus Wender. ex Steud. species accepted

Helleborus ×nigercors subsp. ericsmithii (B.Mathew) Demoly subspecies synonym

Helleborus ×nigercors subsp. ballardiae (B.Mathew) Demoly subspecies synonym

Helleborus serbicus Adamovic species synonym

Helleborus odorus Waldst. & Kit. ex Willd. species accepted

Helleborus multifidus Vis. species accepted

Helleborus lividus Aiton species doubtful

Helleborus dumetorum Waldst. & Kit. ex Willd. species accepted

Helleborus croaticus Martinis species synonym

Helleborus bocconei Ten. species accepted

Helleborus ×nigercors A.Wall species accepted

Helleborus lividus subsp. corsicus (Briq.) P.Fourn. subspecies synonym

Helleborus trifolius var. lividus (Aiton) Knoche variety synonym

Helleborus ×ashwoodensis Grimshaw species accepted

Helleborus corsicus Willd. species synonym

Helleborus lividus var. serratifolius DC. variety synonym

Helleborus scabriglumis Boiss. & Reut. species accepted

Helleborus antiquorum Lerchenf. species heterotypic synonym

Helleborus corsicus f. angustifolius Schiffn. form proparte synonym

Helleborus odorus var. intermedius Regel variety synonym

Helleborus purpurascens f. glabrescens Simonk. form synonym

Helleborus hunfalvyanus var. viridis (L.) Kanitz variety synonym

Helleborus bocconei Schur species heterotypic synonym

Helleborus orientalis Lam. species accepted

Helleborus foetidus L. species accepted

Helleborus niger L. species accepted

Helleborus viridis L. species accepted

Helleborus trifolius subsp. corsicus Briq. subspecies synonym

Helleborus multifidus subsp. serbicus (Adamovic) Merxm. & Podl. subspecies synonym

Helleborus macranthus Gürke species accepted

Helleborus lividus Aiton ex Curtis species accepted

Helleborus trifolius var. integrifolius (DC.) Gürke variety synonym

Helleborus ×belcheri Grimshaw species accepted

Helleborus vesicarius Aucher species accepted

Helleborus lividus (Soland.), 1789 species doubtful

Helleborus viridis var. thibetanus (Franch.) Finet & Gagnep. variety synonym

Helleborus baumgartenii Kováts ex Schur species synonym

Helleborus purpurascens Waldst. & Kit. species accepted

Helleborus ×hybridus Voss species accepted

Helleborus lividus var. integrifolius (DC.) P.Fourn. variety synonym

Helleborus ×mucheri Rottenst. species accepted

Helleborus trifolius var. serratifolius Gürke variety synonym

Helleborus ×sahinii Grimshaw species accepted

Helleborus trifolius subsp. lividus (Aiton) Briq. subspecies synonym

Helleborus baumgartenii Kováts species synonym

Helleborus lividus var. integrifolius DC. variety synonym

Helleborus corsicus Willd. ex Schltdl., 1813 species synonym

Helleborus odorus Waldst. & Kit. species homotypic synonym

Helleborus vaginatus Kit. species homotypic synonym

Helleborus spinescens Tausch species homotypic synonym