Edith B. Allen, Dept. Botany and Plant Sciences, University of California, Riverside, Riverside, CA 92521, United States
Leela E. Rao, Dept. Environmental Sciences, University of California, Riverside, Riverside, CA 92521, United States
Mark E. Fenn, Andrzej Bytnerowicz, USDA Forest Fire Lab 4955 Canyon Crest Dr., Riverside, CA 92507, United States
Mark E. Fenn, Andrzej Bytnerowicz, USDA Forest Fire Lab 4955 Canyon Crest Dr., Riverside, CA 92507, United States
Gail Tonnesen, College of Engineering, Center for Environmental Research and Technology, University of California, Riverside, Riverside, CA 92521, United States