Trees of Philadelphia

On the evening of Thursday the 25th of May, beginning at 7:30PM, the Philadelphia Botanical Club will have its monthly meeting, and Ned Barnard and Catriona Briger, co-authors of Philadelphia Trees: A Field Guide to the City and the Surrounding Delaware Valley, will talk about their book, in a lecture titled “Trees of Philadelphia”.

For more information, see here: http://darwin.ansp.org/hosted/botany_club/meeting.html

Subterranean trees

The history of plants is also underground, and not just in the roots:

http://www.philly.com/philly/blogs/real-time/Wooden-water-mains-Spruce-Street-May-2017.html

A very much older tree was also found underground not far from there, a number of decades ago:

http://www.biodiversitylibrary.org/item/112143#page/142/mode/1up

To read more about that, see here (Chapter 1): http://fitlersquarepress.com/chapters/