Poison Oak

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dave54
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Post by dave54 »

And yet more on the plant. For the real techno-nerd who wants to know about the ecology and physiological dynamics of the plant.


http://www.fs.fed.us/database/feis/plan ... v/all.html
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fedak
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Post by fedak »

Rob, Thats a good picture, decent hi-res photos of poison oak are hard to find online.

Never been particularity susceptible to the stuff myself (knock on wood) and heaven knows I've crawled through enough of it.
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Post by giantbrookie »

fedak wrote:Rob, Thats a good picture, decent hi-res photos of poison oak are hard to find online.

Never been particularity susceptible to the stuff myself (knock on wood) and heaven knows I've crawled through enough of it.
Something to be careful about is that sensitivity to the stuff commonly increases the more you are exposed to it (like many allergens). As an undergraduate (more years ago than I care to count) I was impervious to poison oak's effects. Given that geologists, including geology students taking field classes commonly have to deal with this stuff, I found this a big advantage in that I was willing to get to rocks that other students didn't dare go near. The lack of sensitivity crashed in a big way the year after I graduated. I was doing field work in San Francisco in some open space near Laguna Honda hospital (yes there are areas with lots of poison oak in the City). It was winter or fall and all the leaves were off of the branches. I recognized the branches as poison oak but I didn't care--after all I was impervious, right? Some of the branches scratched my skin, including my face. Within a couple of days I was a royal mess.
Since my fishing (etc.) website is still down, you can be distracted by geology stuff at: http://www.fresnostate.edu/csm/ees/facu ... ayshi.html" onclick="window.open(this.href);return false;
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fedak
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Post by fedak »

Yeah, I'm aware that senitivity tends to increase with exposure.
One of these years a Ventana trip will push me over the edge. I keep expecting it to happen but so far so good.
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will_jrob
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Post by will_jrob »

After too many run-ins with poison oak, and its results, I also tread cautiously on overgrown Coastal trails. A lot of times you may recognize me by the hands-up posture, sidling between brush trying to avoid contact with the three-leafed menace.
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