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United States
Department of
Agriculture

Forest
Service

Southwestern
Region

MB-R3-16-6

December 2013

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Invasive Plants and Weeds of the National Forests and Grasslands in the Southwestern Region

Second Edition

Compiled and Edited by
Mitchell R. White, Ph.D.
Ecologist

USDA Forest Service
Southwestern Region
Apache-Sitgreaves National Forests

Image collage showing insect and disease activity.

The United States Department of Agriculture (USDA) prohibits discrimination in all of its programs and activities on the basis of race, color, national origin, sex, religion, age, disability, political beliefs, sexual orientation, or marital or family status. (Not all prohibited bases apply to all programs) Persons with disabilities who require alternative means for communication of program information (Braille, large print, audiotape, etc.) should contact USDA’s TARGET Center at (202) 720-2600 (voice and TDD).

To file a complaint of discrimination, write USDA, Director, Office of Civil Rights, Room 326-W, Whitten Building, 1400 Independence Avenue, SW, Washington, DC 20250-9410, or call (202) 720-5964 (voice and TDD). USDA is an equal opportunity provider and employer.