Barbour, Michael G. 1942- Terrestrial plant ecology / by Michael G. Barbour, Jack H. Burk, Wanna D. Pitts. - Menlo Park, Calif.: Benjamin/Cummings Pub. Co., 1980. - xi, 604 p. : ill. ; 24 cm. Includes index Bibliography: p. 546-583 ISBN: 0805305408 16.95 Subjects--Topical Terms: Botany--EcologyBotany--Ecology--North America