Mid Atlantic Early Detection Network

What is the Mid-Atlantic Early Detection Network (MAEDN)?

A Mapping and Reporting Technology

Invasive species observations can be reported using the Early Detection and Distribution Mapping System (EDDMapS) developed by the University of Georgia, Center for Invasive Species and Ecosystem Health. Reporting can be done on a laptop or desktop computer or using your cell phone.

The MAEDN smartphone app, powered by EDDMapS, was initiated, co-developed and funded by the National Park Service, National Capital Region in 2010. The University of Maryland Extension Service provided funding in 2012 to support the addition of selected, high priority regulatory insects and pathogens. The app is available on iPhone and Android.

Apple App Store Download Google Play Store Download

Early Detection

Invasive species reporting is the first crucial step in the early detection of new and emerging species to allow for rapid response. Mapping common, established species is also important. It helps determine the ecological associations and preferences of species and provides a more accurate portrait of species' distributions. Reports on the occurrence and distribution of invasives help land managers coordinate and more effectively implement control, restoration and prevention.

A Community of Experts and Partners

MAEDN is a network of land managers, researchers, educators, naturalists, professionals and non-professionals who are concerned about invasive species in the mid-Atlantic region. Expert Verifiers within the MAEDN community provide quality control for data by volunteering to review and confirm identifications of reported species. The region covered includes Delaware, the District of Columbia, Maryland, New Jersey, New York, Pennsylvania, Virginia and West Virginia.If you would like to volunteer to be an Expert Verifier, please contact Jil Swearingen.

Invasive Species of Mid-Atlantic Natural Areas

The primary focus of MAEDN is invasive plants affecting natural areas in the mid-Atlantic region. High priority invasive insects and pathogens of interest to regulatory officials are also included to encourage users to be on the lookout for them as well. There are currently over 400 species of invasive plants identified as impacting natural areas in the region.

Funding Support

Thanks to support from Invasive Plant Control,Inc., Mid Atlantic Invasive Plant Council, National Institute of Food and Agriculture, National Park Service, University of Maryland, U.S. Department of Agriculture, and U.S. Forest Service. EDDMapS and MAEDN are available to users at no cost. However, additional support is needed for improvements, enhancements, and general maintenance and for special projects. For more information, please contact Chuck Bargeron at cbargero@uga.edu.


National Park Service
USDA Forest Service
Invasive Plant Control Inc.
Delaware Invasive Species Council