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News From the Field

Bullfrogs helped a deadly fungus make the jump to the Western US


May 4, 2018

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In the 1890s, settlers crossed the Rocky Mountains seeking new opportunities -- and bearing frogs. A new study co-authored by a San Francisco State University biology professor draws a link between that introduction of American bullfrogs (Rana catesbeiana) to the western half of the United States with the spread of a fungus deadly to amphibians. The work highlights the catastrophic results of moving animals and plants to new regions.Full Story

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San Francisco State University

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