Invasive Plants and Your Forests

Adapted from PINEMAP publication NC AG-771 (2013), by H. Cole, M. Megalos and C. Temple.
Original article may be found at


Invasive plants are referred to by many names: nonnative, exotic, nonindigenous, alien, or even noxious weeds. They come in all forms, including trees, shrubs, vines, grasses, and ferns. Invasive plants are aggressive survivalists and exhibit distinct adaptive strategies and characteristics:

  • Grow vigorously
  • Survive in a range of conditions
  • Reproduce quickly
  • Difficult to eradicate

Invasive Plant Concerns

Invasive plants …

Bill Hubbard

William Hubbard has served as the Regional Forester for the Extension Service-Southern Region since 1993.  This is a liaison to thirteen 1862 University Land Grant University and the Southern Region of the U.S. Forest Service. His work involves using new and traditional technologies in regional educational programming and enhanced communication and coordination of information and activities across states and agencies in the areas of forestry and natural resource management. He previously held several teaching, research and Extension positions at the …

Melanie Lenart


Melanie Lenart, Ph.D., is an environmental scientist and writer who has worked at the intersection of climate, forestry, and journalism for more than a decade. Before starting her Ph.D. in 1996, she worked primarily as a newspaper reporter and editor, including at Puerto Rico’s English-language daily newspaper The San Juan Star and several papers in the Chicago area.

After receiving her Ph.D. in 2003 from the School of Natural Resources and the Environment at the University of Arizona in Tucson, …

Michael Crimmins


Michael Crimmins, Ph.D., is on the faculty of the Department of Soil, Water, and Environmental Science at the University of Arizona and is a Climate Science Extension Specialist for Arizona Cooperative Extension. In this position, he provides climate science support to resource managers across Arizona by assessing information needs, synthesizing and transferring relevant research results, and conducting applied research projects.

His extension and research work supports resource management across multiple sectors including rangelands, forests/wildfire, and water resources as well …

Valerie Barber


Valerie Barber, Ph.D., has been a forestry resource specialist for the University of Alaska Fairbanks (UAF) Cooperative Extension Service since 2010 and assistant research professor at UAF in the Forestry Department of the School of Natural Resources since 2003. She has run the Forest Products Program for UAF (funded in part by the U.S. Department of Agriculture’s National Institute of Food and Agriculture Wood Utilization Research Program) since 2004, first out of Sitka and for the past five years …

Sarah Workman

Sarah Workman

Sarah works with Southern Regional Extension Forestry as a faculty member of the Warnell School and the College of Agricultural and Environmental Sciences at the University of Georgia. She helps provide and edit materials for various eXtension Communities of Practice, notably the Urban Forestry and Energy Conservation community, the Forest Farming community and the Extension Disaster Education Network.

Sarah is engaged in strategic development of partnerships through collaborative work with faculty peers, in grant preparation and programming, and

Christopher Jones

Christopher Jones began working as a Cooperative Extension agent for the University of Arizona in Gila County, Arizona, in 1999. He has been involved in extension work since graduating with a B.S. degree in Forestry at Northern Arizona University in 1988, the same year he joined the Peace Corps. As a volunteer, Chris worked with subsistence farmers in Guatemala to intercrop with various tree species and conserve soil by creating and building contour barriers. He thought so much of that …