 | Aquatic Plants of Pennsylvania The first complete identification guide to the aquatic plants of Pennsylvania, this reference provides illustrations and detailed descriptions of the more than 200 native and invasive species known to inhabit the Commonwealth's waterways. At the Morris Arboretum of the University of Pennsylvania, Timothy A. Block is John J. Willaman Chair of Botany and Director of the Pennsylvania Flora Project, Ann Fowler Rhoads is Senior Scientist of the Pennsylvania Flora Project, and Anna Anisko is Botanical Illustrator. They are coauthors and illustrator of The Plants of Pennsylvania: An Illustrated Manual and The Trees of Pennsylvania: A Complete Reference Guide, both also available from the University of Pennsylvania Press. |
