Mohlenbrock, Robert H., 1931- Flowering plants.Robert H. Mohlenbrock ; illustrated by Paul W. Nelson. - Carbondale : Southern Illinois University Press, (c)2015. - 1 online resource. - The illustrated flora of Illinois . Includes bibliographies and index. Tribe Astereae -- Tribe Anthemidae -- Excluded species. ISBN: 9780809333684 Subjects--Topical Terms: Plants--Illinois.Compositae--Illinois. Index Terms--Genre/Form: Electronic Books. LC Class. No.: QK495 / .F569 2015