2008050117490015 common Pricklyash (Zanthoxylum americanum) greenish-yellow flowers flowers - Clinton River, Oakland Co, Michigan
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%20greenish-yellow%20flowers%20flowers%20-%20Clinton%20River%2C%20Oakland%20Co.JPG "2008050117490015 common Pricklyash (Zanthoxylum americanum) greenish-yellow flowers flowers - Clinton River, Oakland Co.JPG")