Gabriel Trujillo’s family says he was killed in Mexico during a research trip. The 31-year-old Ph.D. student at the University of California, Berkeley, was studying the common buttonbush to learn
For four years, Gabriel Trujillo trekked the breadth of the United States and south into Mexico in search of a flowering shrub called the common buttonbush. The plant is native to the varied climates of Canada, the U.S. and Mexico. Trujillo, a 31-year-old Ph.D. student at the University of California, Berkeley, wanted to know why