Philadelphia Plant Lists

Stream Buffer Plant List
City of Philadelphia website:   Invasive Plant Species
                                            Street Tree List                                                  
Philly Trees Notable Tree List

http://www.mcfarlandtree.com/philly-trees/
http://www.fow.org/about-park/wissahickon-gorge/plants-and-wildlife/plants/native/vines-and-ground-cover
         (the website also has a pages on trees, shrubs, and invasive trees, shrubs, and vines - see above link) 

SOME PLANTS OF INTEREST:

Eucommia:  http://en.wikipedia.org/wiki/Eucommia, ...yinyanghouse.com...du_zhong...,   http://www.chineseherbshealing.com/eucommia-bark/, ...tcmwiki.com..., http://www.twiningvinegarden.com/Eucommia-ulmoides-seeds-p/eucommia.htm,  THE FOSSIL RECORD OF EUCOMMIA (EUCOMMIACEAE) IN NORTH AMERICA, Cortex Eucommmiae Ulmoidis (Du Zhong) and Latex Allergy ,