NPSpecies

This species is difficult to distingush vegetatively from P. altissima, which has been collected in the area of the park, while P. alba has not (but is quite plausibly in the area).; Data Source: Jennifer Stingelin Keefer, 3/9/2007; Steve Grund, Botanist and Vascula plant taxa expert, Western Pennsylvania Conservancy, 3/9/2007.

Data Source: Steve Grund, Botanist and Vascula plant taxa expert, Western Pennsylvania Conservancy, 3/9/2007.

Data Source: Jennifer Stingelin Keefer, 3/9/2007.

Park Species Detail: All data associated with the FRHI PLOTS Database can be viewed on-line at the USGS--NPS National Vegetation Mapping Program web site: http://biology.usgs.gov/npsveg/index.html, Park Species Data Source: Perles et al., June 2006. NPBIB-627533; FRHI_PLOT_AA_DATA.mdb, Accepted Detail: Steve Grund, Botanist, Western Pennsylvania Conservancy, 3/5/2007.