The public is invited to a free lecture Tuesday, January 20 at 6:00pm in the Cottonwood Room at the Laramie County Library, 2200 Pioneer Avenue, to learn about Rejuvra and how it can help manage cheatgrass and other invasive annual grasses and improve wildlife habitat. Speaker Jake Courkamp is a range scientist at the Restoration Ecology Lab at Colorado State University where he researches weed management practices. For more information please visit https://cheyenneaudubon.org/.