Hybrid poplar trees on the KBS LTER site in late April; Photo Credit: J.E.Doll, Michigan State University 1.16.13 Hybrid poplar trees on the KBS LTER site in late April; Photo Credit: J.E.Doll, Michigan State University
Hybrid poplar trees on the KBS LTER site in late April; Photo Credit: J.E.Doll, Michigan State University 1.16.13 Hybrid poplar trees on the KBS LTER site in late April; Photo Credit: J.E.Doll, Michigan State University