History of International Botanical Congresses
Attendance
IBC Place Year Presidents Secretaries Total Foreign Students
I Paris 1900 J. De Seynes E. Perrot1 233 64
R. Von Wettstein
II Vienna 1905 J. Wiesner A. Zahlbruckner1 504 2226
Baron de Moreau E. De Wildeman1
III Bruxelles 1910 Th. Durand M.G. Hegh 305 230
IV Ithaca 1926 L.H. Bailey B.M. Duggar 912 937
F.T. Brooks
V Cambridge 1930 A.C. Seward T.F. Chipps 1175 688
M.J. Sirks1
VI Amsterdam 1935 J.C. Schoute H.J. Lam 963 711
E. Åberg1
VII Stockholm 1950 C. Skottsberg A. Nygren 1521 1243
P. Chouard1
VIII Paris 1954 R. Heim R. De Vilmorin 1805 1377 135
IX Montreal 1959 W.P. Thompson C. Frankton1 2124 1640
R. Pomerleau
M.L. Berlyn
X Edinburgh 1964 H. Godwin H. Fletcher1 2583 1646 568
G. Taylor2 G.E. Fogg
A. Brook
XI Seattle 1969 K. Thimann R. S. Cowan1 3861 1220 521
K.B. Raper2 G. Fischer3
XII Leningrad 1975 A.L. Takhtajan O.V. Zelensky1 3688 1870
N.S. Snigirevskaya4
XIII Sydney 1981 R. Robertson W.J. Cram 2798 1568 487
XIV Berlin 1987 K. Esser W. Greuter1 3546 2611 702
F.A. Stafleu5 B. Zimmer4
XV Tokyo 1993 M. Furuya K. Iwatsuki 4275 1360
XVI St. Louis 1999 P.H. Raven P.C. Hoch1 4816 2143 1458
XVII Vienna 2005 M. Popp J.Greimler1 3996 3661
M. Hesse
T. Stuessy9
XVIII Melbourne 2011 J. West K. Wilson1 2027 1505 354
XIX Shenzhen 2017 W.-H. WU S. GE1 6850 1620 1981
XX Madrid 2024 G. Nieto Feliner. A.M. Escudero 3011 2380 898
XXI Cape Town 2029 J.S. Boatwright
1Secretary-General 2Chairperson, Organizing Committee 3Executive Director 4Scientific Secretary 5Honorary President 6from outside Austria and Hungary 7from outside the U.S. and Canada 8undergraduates only 9Vice President
Contacts:
Patrick S. Herendeen, Chair IABMS
Chicago Botanic Garden, Glencoe, Illinois, USA
pherendeen@chicagobotanic.org, patrickherendeen@gmail.com
Jiří Kvaček, Secretary IABMS
Department of Palaeontology, National Museum, Prague, Czechia