Mid-Atlantic Megalopolis Project (MAM) is a multi-year effort among 13 herbaria in the Mid-Atlantic Region to understand how different plants respond to urbanization over time. The resources generated by the project will assist urban planners, restoration ecologists, environmental engineers and architects in creating more sustainable and better designed cities including restored natural environments constructed within urban areas. As a partner to this project, the PAC is imaging approximately 65,000 specimens, encompassing all of our Pennsylvania collection and plants from the surrounding Mid-Atlantic States. The PAC specimens will provide important data about plant assemblages in the more rural central Mid-Atlantic region and will help put the study of urban areas in the correct context. You can contribute to our efforts by helping transcribe herbarium labels from digital images.