Stuessy, Tod F. Case studies in plant taxonomy : exercise in applied pattern reco gnition / Tod. F. Stuessy. - New York : Colombia University Press, 1994. - xiii, 171 p. : ill. ; 23 cm. Includes bibliographical references (p. 159-162) and index. ISBN: 0231076118 Subjects--Topical Terms: Botany--Classification Dewey Class. No.: 581.012