Article

Chromosomes are helpful tools for systematic purposes, but their use has not always been rigorous. In this contribution, we review and discuss the use of karyomorphological data from the beginning of cytotaxonomy to present day. We highlight the use of incorrect karyomorphological parameters and the erroneous merging of different parameters in some case studies. In addition, we suggest complementing the karyological data with information from other independent sources to infer systematic reconstructions.