California exhibits one of the richest floras on the planet, with more than 5,500 native plant species, approximately 40% of which are endemic. This study, published in Evolution, shows that California’s current biodiversity primarily results from low extinction rates, as opposed to elevated specialization or immigration rates, as previously believed.
Lesley T. Lancaster and Kathleen M. Kay
Evolution, January 2013 (online)
UCSB press release
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