Editore: HAFNER PUBLISHING COMPANY, New York and London, 1969
Da: T. W. Palmer Books, Eugene, OR, U.S.A.
Prima edizione
Soft cover. Condizione: Near Fine. No Jacket. 1st Edition. 22.5 x 15 cm, [x], 174 pp., President's Preface, Preface [by Section Chairman], Contents, Edtor's Preface, Caledar of Events [27 pages]. Provenance: Peter J. Davies, Cornell University [his rubber stamp on first page]. Very useful history! gray-green stiff paper wrappers with gold seal of International Botanical Congress on front cover,.