The Weed and Invasive Plant Ecology and Management Group at Montana State University combines the interests and research of six tenured faculty and numerous research faculty and scientists, post-docs, graduate and undergraduate students.  Our research ranges in scale from molecular to landscape. We study agroecosystems, rangelands and wildland with the underlying theme that a base of ecological knowledge will improve our ability to manage these ecosystems. We recognize that non-native and other undesirable plant species cannot be efficiently managed without understanding the processes that influence their assemblage of traits, abundance, distribution and impact on ecosystems.