Saguaro and other towering cacti have a scrambled history

October 23, 2017

According to Noah Whiteman, a UC Berkeley associate professor of integrative biology who is a coauthor of a paper appearing this week in the journal Proceedings of the National Academy of Sciences, the cactus family tree and the giant cacti in particular – the giant saguaro, organ pipe, senita and cardón, also called the Mexican giant cactus – have been very difficult to trace. 

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