CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the formssubmit new counts,
or report erroneous counts.
CHOUKSANOVA, N.A., L.I. SVESHNIKOVA, & T.V. ALEXANDROVA. 1968. A new evidence on chromosome numbers in species of the family Compositae Giseke. Citologija 10: 381-386.
Garnatje T, Valles J, Garcia S, Hidalgo O, Sanz M, Canela MA, Siljak-Yakovlev S. 2004. Genome size in Echinops L. and related genera (Asteraceae, Cardueae): karyological, ecological and phylogenetic implications. Biology of the Cell 96: 117-124.