International Code of Nomenclature for Cultivated Plants
INTERNATIONAL CODE OF NOMENCLATURE FOR CULTIVATED PLANTS (ICNCP or Cultivated Plant Code) incorporating the Rules and Recommendations for naming plants in cultivation Ninth Edition Adopted by the International Union of Biological Sciences International Commission for the Nomenclature of Cultivated Plants Prepared and edited by C.D. Brickell (Commission Chairman), C. Alexander, J.J. Cubey, J.C. David, M.H.A. Hoffman, A.C. Leslie, V. Malécot, Xiaobai Jin, members of the Editorial Committee June, 2016 ISSN 1813-9205 ISBN 978-94-6261-116-0, Scripta Horticulturae Number 18 Published by ISHS, June 2016 Executive Director of ISHS: Ir. J. Van Assche ISHS Secretariat, PO Box 500, 3001 Leuven 1, Belgium Printed by Drukkerij Station Drukwerk, PO Box 3099, 2220 CB Katwijk aan Zee, The Netherlands © 2016 by the International Society for Horticultural Science (ISHS). All rights reserved. No part of this book may be reproduced and/or published in any form or by any means, electronic or mechanical, including photocopying, microfilm and recording, or by any information storage and retrieval system, without written permission from the publishers. Photograph on the front cover: Lettuce trial 2003. Credit: RHS / Jacquie Gray. Contents CONTENTS Foreword v Membership of the IUBS International Commission for the Nomenclature of Cultivated vii Plants Preface ix Comparison between the 2009 Code and this edition xii New provisions xv Important dates in this Code xvi Previous editions of this Code xvii PREAMBLE 1 DIVISION I: PRINCIPLES 3 DIVISION II: RULES AND
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