Here is some basic information about Helleborus niger and a list of ethnobotanical uses which includes medicinal uses and other uses of Helleborus niger.
Helleborus niger basic info
Scientific Name: Helleborus niger L..
Common names in English: Christmas-rose.
Helleborus niger is a poisonous evergreen perennial flowering plant, found only in northern Italy and possibly adjoining parts of Slovenia. it is commonly called Christmas rose or black hellebore. - for more info about Helleborus niger See link
Ethnobotanical and folk medicinal uses of Helleborus niger
*The information in this list is based on the ethnobotanical data in Dr. Duke's Phytochemical and Ethnobotanical Databases.
Dr. Duke does not recommend using this information for self diagnosis or self medication. - See link
Helleborus niger in other websites
Helleborus niger common names, economics importance, distributional range and more in the USDA GRIN website - See link
Search PubMed (US National Library of Medicine National Institutes of Health) for academic researches with the search term Helleborus niger - See link
See if there is something in Youtube on the term Helleborus niger - See link