Linked from
The 6 pages that link to Atropa belladonna, each with the reason it gives.
AtropineRelated: This plant is a major natural source of atropine.
ScopolamineRelated: Its alkaloid chemistry overlaps with that of scopolamine-producing plants.
SolanaceaeBroader topic: This toxic species demonstrates the family's chemical diversity.
HyoscyamineBroader topic: Its tissues contain hyoscyamine and related tropane alkaloids.