"This guidebook describes Forest Creeks Research Natural Area, a 164-ha (405-ac) area comprising two geographically distinct canyons and associated drainages.
... Cornus amomum Mill. var. scheutzeana (C. A. Mey.) Rickett. 10. Cornus racemosa Lam. Gray Dogwood. May–July. Moist ... sericea L. Two varieties occur in Illinois: a. Leaves glabrous or appressed-pubescent beneath...........12a. C. sericea ...