UC Berkeley graduate student brings extinct plants to life
Visualizing plant evolution
Benca and colleagues wrote their paper primarily to demonstrate a new technique that is helping paleobotanists interpret early land plant fossils with greater confidence. Since living clubmosses share many traits with early lycopods, the research team was able to test their methods using living relatives Benca was growing in greenhouses.
Early land plant fossils are not easy to come by, but they can be abundant in places where rocks from the Devonian Period form outcrops. But a large portion of these are just stem fragments with few diagnostic features to distinguish them, Benca said.
“The way we analyzed Leclercqia material makes it possible to gain more information from these fragments, increasing our sample size of discernible fossils,” he said.
“Getting a better grip on just how diverse and variable Devonian plants were will be important to understanding the origins of key traits we see in so many plants today.” Looy said.
Benca’s co-authors are Maureen H. Carlisle, Silas Bergen and Caroline A. E. Strömberg from the University of Washington and Burke Museum of Natural History and Culture, Seattle.
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