
Emerging late spring/early summer will be Dr. Block's book, The Aquatic Plants of Pennsylvania: A Complete Reference Guide. During his presentation, Dr. Block will introduce us to a variety of native species, and address the issues surrounding the tough competition from introduced invasive plant species. Emma Melvin, the Conservancy's Conservation Coordinator will also be on hand to give us an update on the Water Chestnut project, as it moves into its third year! Pre-registration with payment required. Snowdate: 2/2/11. This presentation is part of the Conservancy's 'Out and About Exploration Series' sponsored in part by Exelon.