Everything you need to know: Poison ivy, poison oak, poison sumac


Alex Wierbinski's picture

By Alex Wierbinski - Posted on 05 June 2015

An informative article from Debra Bird's fine site,

Earth-Sky;

Everything you need to know: Poison ivy, poison oak, poison sumac,
Earth-Sky, June , 2015. 

High Sierra backpackers don't encounter much in the way of poison plants up high, but we can run into poison oak in the foothills.

 

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