A Guide to the Natural Communities of the Delaware Estuary : http://www.delawareestuary.org/pdf/ScienceReportsbyPDEandDELEP/GuideNaturalComm_v1.pdf
The Guide describes 185 natural community types encompassing 35
broader-scale ecological systems known to occur in the region.
Community
types were identified using the National Vegetation Classification
System (NVC). 338 pages, pdf