Do not use this page as your sole source of information. Plants listed here may be difficult to recognize based on the pictures provided. Do research on each and every plant and take appropriate classes before decided to ingest any wild plants. Many plants have poisonous look alikes. Some plants are edible only when properly prepared.
Some plants have both edible and poisonous parts.
All the plants listed here are found in Riverside County. Poisonous Plants Poison Hemlock leaves are extremely nauseating when tasted. It is sometimes confused with water hemlock. Water Hemlock is the most violently toxic plant that grows in North America. Only a small amount of the toxic substance in the plant is needed to produce poisoning in livestock or in humans.