Identification of exotic plants posing a threat to natural communities : Presque Isle State Park Exotic Plant Control Project, no. 88--PSS.04

conducted by Botany Department, Cleveland Museum of Natural History ; submitted to Bureau of Forestry, Department of Environmental Resources. "Final report - September 28, 1989." "Funded by a grant from Coastal Zone Management Program and Wild Resources Conservation Fund." "For mailing purposes the base map is being sent separately."--Affixed to inside front cover. Also available online in PDF format. Includes bibliographical references (leaves 17-19). Final report.