Helleborus multifidus var. bocconei (Ten.) Schiffn. variety synonym

Helleborus viridis var. bocconei (Ten.) Baker variety synonym

Helleborus odorus var. istriacus Schiffn. variety synonym

Helleborus istriacus (Schiffn.) Borbás species synonym

Helleborus viridis subsp. istriacus (Schiffn.) Cristof. & Zanotti subspecies synonym

Helleborus siculus Schiffn. species synonym

Helleborus multifidus f. istriacus (Schiffn.) Martinis form synonym

Helleborus multifidus subsp. intermedius (Host) Martinis subspecies synonym

Helleborus multifidus subsp. bocconei (Ten.) B.Mathew subspecies synonym

Helleborus intermedius Guss. species heterotypic synonym

Helleborus bocconei subsp. istriacus (Schiffn.) Soldano & F.Conti subspecies accepted

Helleborus bocconei subsp. intermedius (Guss.) Greuter & Burdet subspecies accepted

Helleborus bocconei subsp. bocconei subspecies accepted

Helleborus multifidus f. intermedius (Schiffn.) Martinis form synonym

Helleborus viridis subsp. bocconei (Ten.) Peruzzi subspecies synonym

Helleborus viridis subsp. intermedius (Guss.) Arcang. subspecies synonym

Helleborus intermedius Host species heterotypic synonym

Helleborus bocconei subsp. siculus (Schiffn.) Merxm. & Podl. subspecies synonym

Helleborus multifidus subsp. istriacus (Schiffn.) Merxm. & Podl. subspecies synonym