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Root research, maple root system growth difficulty in oak forest
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Quercus (oak), diseased leaves
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Quercus (oak), fall leaves
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STRENGTH bench in the oak (Quercus) collection at The Morton ArboretumMay 14 2014
The Morton Arboretum
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STRENGTH bench in the oak (Quercus) collection at The Morton ArboretumApril 24 2015
The Morton Arboretum
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Kris Bachtell teaching a class on oaks on the grounds of The Morton ArboretumOctober 22 2013
The Morton Arboretum