[068-51] A Preliminary Survey of Vascular Plants of the Horseshoe Lake Area, Knox County, Illinois
Weik, Kenneth L and Gordon Baker A Preliminary Survey of Vascular Plants of the Horseshoe Lake Area, Knox County, Illinois 068-51-print
Weik, Kenneth L and Gordon Baker A Preliminary Survey of Vascular Plants of the Horseshoe Lake Area, Knox County, Illinois 068-51-print