ABSTRACTwhich not exceeding a rate of 1%. On the other hand, the Symptomatic distribution showed that the majority of the cases of poisonings were unknown (30%), followed by digestive signs (12%) and by thermal disorders (10%). Among these species, we haveselected the most used plants in herbal medicine in Morocco. The main plants that caused poisoning in Morocco in recent years, according to the APCM, there are Peganum harmala (50%), Nigella sativa (11%), Lawsonia inermis (7.5%), oleander (5.8%) Dysphania ambrosioides (5.1%). Twelve non-toxic plants can become toxic because they contain phytochemicals, such as Camellia sinensis (Green tea), Artemisia absinthium (Chiba) and Zingember officinale (Skingbir).