We love to decorate our homes with plants, but we're rarely aware of the plants--and plant parts--that could be poisonous to pets and children.: 199 Poisonous Plants to Keep Away from Humans, Dogs & Cats
Poisonous Plants: The are an ancient family of deliriants and hallucinogens that have been venerated as "Witches’ Weeds" since the earliest disciples of plant lore learned of their properties. Among them are counted Henbane and Hemlock, Datur
A List of Poisonous Plants and Herbs and Their Lore
Atropa belladona, otherwise known simply as belladona or nightshade. While it contains deadly tropane alkaloids, it is the main ingredient in the drug atropine, which is considered a "core medicine" by the World Health Organization.
23 Common Plants Poisonous to Pets. A guide to what plants and flowers to keep your eyes open for. The list is by no means exhaustive, there are a number of other toxic plants, but this covers the top offenders.