A. inulaefolium n=10, 2n=20 ref Powell & King 1969; King et al. 1976; Watanabe et al. 1995

A. laete-virens n=10 ref Coleman 1970 (reported as Eupatorium laetivirens)

References

Coleman, J. R. 1970. Additional chromosome numbers in some Brazilian Compositae. Rhodora 72: 94-99.

King, R. M., D. W. Kyhos, A. M. Powell, P. H. Raven, and H. Robinson. 1976. Chromosome numbers in Compositae. XIII. Eupatorieae. Annals of the Missouri Botanical Garden 63: 862-888.

Powell, A. M. and R. M. King. 1969. Chromosome numbers in the Compositae: Colombian species. American Journal of Botany 56: 116-121.

Robinson, H., A. M. Powell, G. D. Carr, R. M. King, and J. F. Weedin. 1989. Chromosome numbers in Compositae, XVI: Eupatorieae II. Annals of the Missouri Botanical Garden 76: 1004-1011.

Watanabe, K., R. M. King, T. Yahara, M. Ito, J. Yokoyama, T. Suzuki, and D. J. Crawford. 1995. Chromosomal cytology and evolution in Eupatorieae (Asteraceae). Annals of the Missouri Botanical Garden 82: 581-592.