N. allenii n=17-20 ref King et al. 1976

N. angularis 2n=50; 2n=50 + 1B ref Sundberg et al. 1986; Watanabe et al. 1995

N. angularis n= ca 26 ref Robinson et al. 1989

N. angularis n=ca 20, ca 24 ref King et al. 1976

N. arthodes n=17 (+ variable B) ref Watanabe et al. 1995

N. biflora n=ca 25; 2n=50 (+ 2-6B) ref King et al. 1976; Watanabe et al. 1995

N. costaricensis n=17, ca 17, 17 + 1 I ref Sundberg et al. 1986; King et al. 1995

N. eximia n=17, ca 17 ref King et al. 1976; Robinson et al. 1989

N. guevarii 2n=50 (+2-6 or 12B) ref Watanabe et al. 1995

N. parasitica 2n=34 (+1-2B) ref Watanabe et al. 1995

N. standleyi 2n=50 (+1-4B) ref Watanabe et al. 1995

References

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.

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.