IAPT Chromosome Data
(formerly IAPT/IOPB Chromosome Data)
IAPT Chromosome Data is a regular column in Taxon that publishes vouchered chromosome counts and ploidy level estimates, providing that the contributions fulfil some basic quality requirements.
Special thanks to the Real Jardín Botanico C.S.I.C., Madrid, Spain for digitizing the IOPB newsletters. These newsletters are also available at Biblioteca Digital del Real Jardín Botanico C.S.I.C.