{"term":{"id":"09982","title":"taxon","longtitle":"IUPAC Gold Book - taxon","doi":"10.1351\/goldbook.09982","code":"09982","status":"current","definitions":[{"id":1,"text":"Category indicating a class of organisms within a recognized hierarchically structured nominal property value set.","notes":{"1":"Taxonomy is the science of classification and its applications, usually regarding organisms."},"exams":{"1":"In the system \"Blood\" with the component \"Staphylococcus\", the application of the kind-of-nominal-property \"taxon\" could give the nominal property values \"species Staphylococcus aureus, species Staphylococcus lugdunensis, and Coagulase negative staphylococci (CNS)\". The value set comprises all species and groups of Staphylococcus that the procedure can identify."},"links":[{"term":"Category","url":"https:\/\/goldbook.iupac.org\/terms\/view\/09981"},{"term":"kind-of-nominal-property","url":"https:\/\/goldbook.iupac.org\/terms\/view\/09980"},{"term":"nominal property value set","url":"https:\/\/goldbook.iupac.org\/terms\/view\/09997"},{"term":"nominal property values","url":"https:\/\/goldbook.iupac.org\/terms\/view\/09996"}],"sources":["PAC, 2018, 90, 913. 'Vocabulary on nominal property, examination, and related concepts for clinical laboratory sciences (IFCC-IUPAC Recommendations 2017)' on page 916 (https:\/\/doi.org\/10.1515\/pac-2011-0613)"]}],"altoutputs":{"html":"https:\/\/goldbook.iupac.org\/terms\/view\/09982\/html","xml":"https:\/\/goldbook.iupac.org\/terms\/view\/09982\/xml","plain":"https:\/\/goldbook.iupac.org\/terms\/view\/09982\/plain"},"citation":"Citation: 'taxon' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351\/goldbook.09982","license":"The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https:\/\/creativecommons.org\/licenses\/by-sa\/4.0\/) for individual terms.","collection":"If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org .","disclaimer":"The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.","accessed":"2026-06-30T16:34:21+00:00"}}