American Masters | Episode | Ynés Mexía: Mexican-American Botanist and Adventurer

An early participant in the environmental movement, U.S.-born Mexican American Ynés Mexía began her scientific career at age 51, leading botanical expeditions across Mexico, Central America, and South America. She became one of the most accomplished plant collectors of her time, discovering over 500 new plant species of which 50 are named in her honor.