All the plants presented were used as traditional food, medicinal, and/or material resources by Klamath Tribal [Klamath, Modoc, and Paiute] members and their ancestors ... Tribes have requested that the traditional uses of each plant not be disclosed in this guide.

This field guide was designed for people with minimal botanical training. It is an identification aid to plant species that have ecological indicator value, are on sensitive species lists, or are considered noxious weeds. It contains illustrations and simplified taxonomic descriptions.