Lecture—3 hour(s); Discussion/Laboratory—2 hour(s). Prerequisite(s): PLS 002 or BIS 001C or BIS 002C. Relationships and interactions between plants and people, including human perceptions, management, and uses of plants, influences of plants on human cultures, and effects of human activity on plant ecology and evolution. Concepts, questions, methods, and ethical considerations in ethnobotanical research. Not open for credit to students who have completed PLB 141. (Former PLB 141.). (Letter.) GE credit: OL, SE, SS, WE. Effective: 2008 Winter Quarter.