This observation was uploaded from NatureServe's Ecological Observations Database (EcoObs), version 27 May 2016. Some data values may be midpoints of EcoObs classes (e.g. stratum height, slope, aspect).
open canopied sycamore dominated river floodplain on sandy alluvial island in Clarion River; many weedy species; there is a lot of microtopography created by water flow; white ash and hawthorn also on isalnd top but not in plot