Phytopthera ramorum

: It’s easy to see how tanoak mortality from sudden oak death can have effects on the whole forest community. This photo was taken in Marin County, CA. Image by the USFS Region 5, Flickr Creative Commons.

Sudden oak death is plaguing California forests

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Last week, Deborah Zierten introduced us to sudden oak death, a nasty fungal disease (known in scientific circles as Phytopthera ramorum) that is causing the widespread  decline and death of tanoak, one of the most common tree species found in …