An on-line database designed to assist students studying eastern pines. Emphasis is placed on woody species native or naturalized in eastern North America.
The Biological Control Virtual Information Center is part of the National IPM Network and is maintained by the NSF Center for Integrated Pest Management and the Consortium for International Crop Protection.
Staffed by user-friendly scientists answering questions are about the risk of a pesticide - about safe use of a pesticide technical/chemical information on labels - signs of pesticide poisoning - etc.
Plant Sciences Department of NMSUs Cooperative Extension Service that answers questions about how to care for your garden and landscape. It is written by Curtis W. Smith - Extension horticulture specialist.
Created by Cornell Cooperative Extension Educator David Swaciak. It is based on leaves which are evident from May to October. It is the best example of an identification key created for non-botanists that we have ever seen.
Very good. Provides an international database of over 60 Publications and high quality images from across the U.S. and Canada by Ohio State University.