Preface

Key to the Numbering of the Articles, Notes and Recommendations

Important Dates in the Code

Preamble

Division I 　Principles
Division II 　Rules and Recommendations
　Chapter I 　Ranks of taxa (Art. 1, 2, 3, 4, 5)
　Chapter II 　Names of taxa (general provisions)
　　Section 1 　Definitions (Art. 6)
　　Section 2 　Typification (Art. 7, 8, 9, 10)
　　Section 3 　Priority (Art. 11 and 12)
　　Section 4 　Limitation of the principle of priority (Art. 13, 14, 15)
　Chapter III 　Nomenclature of taxa according to their rank
　　Section 1 　Names of taxa above the rank of family (Art. 16, 17)
　　Section 2 　Names of families and subfamilies, tribes and subtribes (Art. 18, 19)
　　Section 3 　Names of genera and subdivisions of genera (Art. 20, 21, 22)
　　Section 4 　Names of species (Art. 23)
　　Section 5 　Names of taxa below the rank of species (infraspecific taxa) (Art. 24, 25, 26, 27)
　　Section 6 　Names of plants in cultivation (Art. 28)
　Chapter IV 　Effective and valid publication
　　Section 1 　Conditions and dates of effective publication (Art. 29, 30, 31)
　　Section 2 　Conditions and dates of valid publication of names (Art. 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45)
　　Section 3 　Citation of authors' names for purposes of precision (Art. 46, 47, 48, 49, 50)
　　Section 4 　General recommendations on citation (Rec. 50A-F)
　Chapter V 　Rejection of names (Art. 51, 52, 53, 54, 55, 56, 57, 58)
　Chapter VI 　Names of fungi with a pleomorphic life cycle (Art. 59)
　Chapter VII 　Orthography of names and epithets and gender of generic names
　　Section 1 　Orthography of names and epithets (Art. 60 and 61)
　　Section 2 　Gender of generic names (Art. 62)
Division III 　Provisions for modification of the Code

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Appendix I 　Names of hybrids (Art. H.1, H.2, H.3, H.4, H.5, H.6, H.7, H.8, H.9, H.10, H.11, H.12)
Appendix IIA 　Nomina familiarum algarum, fungorum et pteridophytorum conservanda et rejicienda
Appendix IIB 　Nomina familiarum bryophytorum et spermatophytorum conservanda
Appendix IIIA 　Nomina generica conservanda et rejicienda
Appendix IIIB 　Nomina specifica conservanda et rejicienda
Appendix IV 　Nomina utique rejicienda (B. Fungi, C. Bryophyta, E. Spermatophyta)
Appendix V 　Opera utique oppressa

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Subject index

Index to scientific names