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This fact sheet covers the identification, impacts, and management for tree-of-heaven (Ailanthus), an invasive plant.
The elm zigzag sawfly is an invasive species first reported in North America in 2020. This fact sheet details what is known about its biology, identification, and management.
This publication describes the invasive Callery pear species, its offspring, and how it can harm native ecosystems. It details how to identify these invasive trees and distinguish them from other trees with similar physical characteristics. It also includes information about what landowners should do if they have Callery pears on their property.