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:

Subterranean trees

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

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

To read more about that, see here (Chapter 1):