D. multicrenulata 2n=20 ref Dematteis et al. 2007

D. halimifolia n=10 ref Robinson et al. 1989

References

Dematteis, M., J. Molero, M. B. Angulo, and A. M. Rovira. 2007. Chromosome studies on some Asteraceae from South America. Botanical Journal of the Linnean Society 153: 221-230.

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.

Turner, B. L. and H. S. Irwin. 1960. Chromosome numbers in the Compositae II. Meiotic counts for fourteen species of Brazilian Compositae. Rhodora 62: 122-126.