During the last 30 years there have been five International Symposia on the Taxonomy of Cultivated Plants. The first took place in Wageningen in 1985, a few years before Hortax was founded.
SIXTH INTERNATIONAL SYMPOSIUM
The Sixth International Symposium is scheduled for the 15-19 July 2013 and is to be held in Beijing. Details can be found here.
FIFTH INTERNATIONAL SYMPOSIUM
The Fifth International Syposium was held in Wageningen, The Netherlands, 15-19 October 2007 and organised jointly by the Biosystematics Group/Botanical Gardens of Wageningen University and Hortax.
The proceedings: Groendijk-Wilders, N., Alexander, C., van den Berg, R.G. & Hetterscheid, W.L.A. (eds)
ISHS Acta Horticulturae 799 (2008), ISBN 978 90 6605 571 1 can be ordered on CD from http://www.actahort.org/books/799/ at €60; the papers can also be downloaded individually.
FOURTH INTERNATIONAL SYMPOSIUM
Hortax was one of the principal sponsors of the Fourth International Symposium, which was held within the XXVIth International Horticultural Congress, Toronto, Canada, 11-17 August 2002.
The proceedings: Davidson, C.G. & Trehane, P. (eds)
ISHS Acta Horticulturae 634 (2004), ISBN 90 6605 647 9 can be ordered on CD from http://www.actahort.org/books/634/ at €68; the papers can also be downloaded individually.
THIRD INTERNATIONAL SYMPOSIUM
The Third International Symposium was held at Pollock Halls, Edinburgh, 20-26 July l998. It was organised by Hortax with generous sponsorship from the Royal Botanic Garden Edinburgh, the Royal Botanic Gardens Kew and the Royal Horticultural Society. The symposium was attended by 168 participants from 30 countries.
The proceedings: Andrews, S., Leslie, A.C., & Alexander, C. (eds)
Taxonomy of Cultivated Plants, Royal Botanic Gardens, Kew, Pp [i]-xix, 1-553 (1999), ISBN 1 900347 89 X can be purchased from http://www.kewbooks.com/asps/ShowDetails.asp?id=20 at £46.
SECOND INTERNATIONAL SYMPOSIUM
The Second International Symposium was held at the Center for Urban Horticulture, Washington Park Arboretum, University of Washington, Seattle, USA, 10-14 August 1994.
The proceedings: Tukey, H.B. (ed)
ISHS Acta Horticulturae 413 (1995), ISBN 90 6605 967 2 can be ordered on CD from http://www.actahort.org/books/413/ at €31; the papers can also be downloaded individually.
FIRST INTERNATIONAL SYMPOSIUM
The First International Symposium was held in Wageningen, The Netherlands, 12-16 August 1985.
The proceedings: van der Maesen, L.J.G. (ed).
ISHS Acta Horticulturae 182 (1986), ISBN 90 6605 312 7 can be ordered on CD from http://www.actahort.org/books/182/ at €46; the papers can also be downloaded individually.