Fig. 4From: In memoriam Ching-I Peng (1950–2018)—an outstanding scientist and mentor with a remarkable legacyChing-I Peng and his Missouri Botanical Garden connections. From left to right: David E. Boufford, Peter C. Hoch, Peter H. Raven, and Ching-I Peng. Taken during 53rd Annual Systematics Symposium, Missouri Botanical Garden “The Impact of Peter Raven on Evolutionary and Biodiversity Issues in the 20th and 21st Centuries” on October 14, 2006Back to article page