Synonyms
Cammarum hyemale (L.) Hill
Helleboroides hyemale (L.) Kuntze
Eranthis bulgarica (Stef.) Stef.
Helleborus hyemalis L.
Eranthis hyemalis var. bulgarica Stef.
Helleborus monanthos Moench
Helleborus involucratus Stokes
Koellea hyemalis (L.) Biria
Eranthis hyemalis var. tubergenii (Bowles) P.D.Sell
Eranthis tubergenii Bowles
Robertia hiemalis (L.) Mérat