List of Chromosome Count Reports - Ageratum

Probable Base Number for Genus x = 10

A. albidum n=10, 20 ref Turner et al. 1961; cf BLT 1997

A. conyzoides 2n=20II ref Keil et al. 1988

A. corymbosum n=10, 20 ref Turner et al 1961; 1962; Keil et al. 1988; Watanabe et al. 1995

A. fastigiatum n=10 ref Coleman 1968, 1970; Robinson et al. 1989

A. houstonianum n=10, 20 ref Turner et al. 1961; 1962; Torres & Liogier 1970; King et al. 1976

A. latifolium n=10 ref Turner et al. 1962; Turner et al. 1967

A. cf. lucidum n=20 ref Turner et al. 1961 A. microcarpum n=10 ref Watanabe et al. 1995

A. microcephalum n=10 ref cf BLT 1997

A. nelsonii n=ca 10 ref King et al. 1976

A. paleaceum n=10+fragments; 10-12 ref Turner et al. 1962

A. rugosum n=10, 2n=20 +1-2 fragments ref King et al. 1976; Robinson et al. 1989

A. salicifolium n=20 ref Turner et al. 1961 A. tomentosum n=10 ref Turner et al. 1961, 1962

References

Coleman, J. R. 1968. Chromosome numbers in some Brazilian Compositae. Rhodora 70: 228-240.

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

Keil, D. J., M. A. Luckow, and D. J. Pinkava. 1988. Chromosome studies in Asteraceae from the United States, Mexico, the West Indies, and South America. American Journal of Botany 75: 652-668

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.

Torres, A. M. and A. H. Liogier. 1970. Chromosome numbers of Dominican Compositae. Brittonia 22: 240-245.

Turner, B. L., W. L. Ellison, and R. M. King. 1961. Chromosome numbers in the Compositae. IV. North American species, with phyletic interpretations. American Journal of Botany 48: 216-223.

Turner, B. L. A. M. Powell, and J. Cuatrecasas. 1967. Chromosome numbers in Compositae. XI. Peruvian species. Annals of the Missouri Botanical Garden 54: 172-177.

Turner, B. L., A. M. Powell, and R. M. King. 1962. Chromosome numbers in the Compositae VI. Additional Mexican and Guatemalan Species. Rhodora 64: 251-271.

BLT 1997, Turner, B. L. 1997. The Comps of Mexico. Eupatorieae. Phytologia Memoirs Vol. 11.

Watanabe, K., R. M. King, T. Yahra, 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.