Essig, Frederick B., Plant life : a brief history / Frederick B. Essig. - 1 online resource (281 pages) Includes bibliographical references and index. ISBN: 9780199362653 Subjects--Topical Terms: Plants--Evolution. Index Terms--Genre/Form: Electronic books. LC Class. No.: QK980 / .E875 2015 Dewey Class. No.: 581.3/8