List of Chromosome Count Reports - Symphyopappus

Probable Base Number for Genus x = 10

S. compressus n= 10 ref Coleman 1968 (reported as S. polystachus)

S. cuneatus n= 10 ref Coleman 1968

S. decussatus n= 10 ref Robinson et al. 1989

References

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

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.