Archivio cariologico dell'orto botanico di Pisa stores chromosome counts mainly for the Italian flora. Also counts from Corsica are being included, given the high number of endemics shared with Sardinia and Tuscan Archipelago.
Current holdings are (live from database as of today, Tuesday 21 May 2019, 6:31:33 CEST):
counts 8869 410
taxa 3130 229
cytotypes 3858 260
bibl. records 1572 94

Specific and infraspecific taxa are stored as they were accepted in the original publications; families are added following APGIII. Future taxonomic revisions of specific and infraspecific taxa will follow "Checklist of the Italian flora", Conti et al., 2005.
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Downloadable media

  • presentation of (in Italian) delivered in Rome, 23 October 2010;
  • article in a local newspaper (Il Tirreno, 10 January 2011);
  • presentation (in English) based on data extracted from, delivered in Berlin, 22 February 2011;
  • presentation focussing on endemic plants, delivered in Castiglioncello (LI), 11 June 2011.
  • presentation on the history of cytotaxonomical research in Italy, delivered in Genoa, 23 September 2011.
  • presentation on the chromosome number variation in Sicily, Sardinia, and Corsica, delivered in Palermo, 14 September 2013, during the XIV OPTIMA Meeting.
Further links to media contents related to can be found on our Facebook profile (please click the link to the right).

How to cite this database
If you use the information contained in this website, please cite as follows:

Bedini G., Garbari F., Peruzzi L. (eds.), 2010 onwards. - Chromosome numbers for the Italian flora. [accessed 21 May 2019 *]

*Please replace the date and time with the appropriate date and time for your use of the database

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