Upstream is bedrock controlled channel. There is another small island with hemlock.;Small island of pepositional cobble bar downstream from a reach of bedrock bottom strewn with large boulders. We jumped rocks to reach island, but at high water it is entirely inundated There is one large boulder at tail of island which may give the cobble hold. Community is a shrubby prairie with low growing alder and herbs including big bluestem, royal fern, and Barbara's buttons.
Representativeness
Plot is entire small patch of open shrub-prairie on cobble island. Smaller than usual plot.