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Chasmanthium latifolium by T.R. Soderstrom In 1950, the International Botanical Congress founded the International Association for Plant Taxonomy (IAPT), which initiated the journal Taxon. All proposals for conservation or rejection of scientific names (see guidelines), for suppression of botanical works, and requests for binding decisions on valid publication or confusability of names (see guidelines) are now published in Taxon. The proposal number series for conservation/rejection proposals was started in 1955 and continues today; the numbering of other proposals or requests only began in 2013. This database, which succeeds the "Proposals and Disposals" database initiated by Dan Nicolson in 2000, contains records of all such proposals or requests and their histories since the first ones appeared in 1892, and two reports are available from the data. A Proposals/Requests report details the history of selected proposals or requests, providing citations of all Nomenclature Committee reports regarding their status, and indicating the final disposition, the representation, if any, in subsequent Codes, and any resulting entries in the Melbourne Code Appendices. A Code Appendices report reproduces all entries matching any set of search criteria within the content of Melbourne Code Appendices II-VIII. For a full explanation of these criteria, see the help file. [Dan Nicolson, March 2000-February 2009; John Wiersema, April 2009-present (7810 entries)].

Please choose from the following options to enter your search criteria for a report on:
   a) a complete history of any proposal(s) or request(s).
   b) selected content of the Melbourne ICN Appendices.
Multiple criteria can be searched. Wild cards (*) are accepted.

  • Enter any part of the scientific name (family, genus or species epithet) or the number of the proposal/request:
  • Enter the surname of the author of the proposal/request:
  • Enter a word, phrase, or character string found in the entries to Appendices II-VIII of the Melbourne Code:
  • Select the group: the taxonomic rank:
    or the action proposed on the name(s):
  • Enter the Taxon journal number in which the proposal(s)/request(s) appeared (if known): .
Select the desired report: a) Proposals/Requests b) Code Appendices (for complete report of App. II-VIII omit search criteria)

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