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.
Ito, M., A. Soejima & K. Watanabe. 1998. Phylogenetic relationships of Japanese aster (Asteraceae, Astereae) sensu lato based on chloroplast-DNA restriction site mutations. J. Pl. Res. 111: 217–223.
MATSUDA, T. 1970. On the accessory chromosomes of Aster I. The accessory chromosomes of Aster ageratoides grou-p-.~~ J. Sci. Hiroshima Univ., Ser. B, Div. 2, 13: 1-63.