Invasive Species Identification
Mistaken Identity? Invasive Plants and Their Native Look-Alikes (Delaware Department of Agriculture)
While some invasive plants are easily recognized, many others are difficult to distinguish from native flora. This is a photographic guide to help identify invasive and native plants.
Non-native Invasive Plants of Southern Forests: A Field Guide for Identification and Control (USDA)
This book provides information on accurate identification and effective control of the 33 nonnative plants and groups that are currently invading the forests of the 13 Southern state.
Invasive Plants in North Carolina (N.C. Forest Service)
Invasive exotic plants are those plants transported outside their normal home ranges and cause damage or harm in their new location. In their new homes, these alien species are free from the natural competition, herbivores, insects and diseases that normally keep populations in check.