All photographs copyright (2003-2013) by Kris H. Light

<strong>Prairie Dock</strong>
<em>Silphium terebinthinaceum</em> /Aster Family<br> 
These plants are huge, the leaves can grow as long as 2 feet and the flower stems grow from 4 to 10 feet tall. I found these plants growing in Oak Ridge near K-25.
P...
Prairie Dock
Silphium terebinthinaceum /Aster Family

These plants are huge, the leaves can grow as long as 2 feet and the flower stems grow from 4 to 10 feet tall. I found these plants growing in Oak Ridge near K-25.
Perennial
Where seen: Oak Ridge, Worthington Greenway

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