References

For Eupatorium

Cronquist, A. 1980. Asteraceae, Volume I, Vascular flora of the Southeastern United States. University of North Carolina Press, Chapel Hill, N.C.

Cronquist, A. 1985. Eupatorium godfreyanum (Asteraceae), a "new" species from eastern United States. Brittonia 37: 237-242.

Godfrey, R.K. 1949. Studies in the Compositae of North Carolina. II. The Compositae of Wake, Durham, and Orange counties. J. Elisha Mitchell Scientific Society 65: 276-305.

LeBlond, R.J., E.E. Schilling, R.D. Porcher, B.A. Sorrie, J.F. Townsend, P.D. McMillan, and A.S. Weakley. 2007. Eupatorium paludicola (Asteraceae): a new species from the Coastal Plain of North and South Carolina. Rhodora 109: 137-144.

McKain, M.R., M.A. Chapman, and A.L. Ingram. 2010. Confirmation of the hybrid origin of Eupatorium ×truncatum (Asteraceae) using nuclear and plastid markers. Castanea 75(3): 381-387.

Montgomery, J.D., and D.E. Fairbrothers. 1970. A biosystematic study of the Eupatorium rotundifolium complex. Brittonia 22: 134-150.

Schilling, E.E. 2011a. Systematics of the Eupatorium album complex (Asteraceae from eastern North America. Syst. Bot. 36: 1088-1100.

Schilling, E.E., and D.E. Schilling. 2015. A novel hybrid apomictic Eupatorium (Asteraceae) from the southern Appalachians. Castanea 80: 273-277.

Schilling, E.E., and K.C. Grubbs. 2016. Systematics of the Eupatorium mohrii complex (Asteraceae). Syst. Bot. 41: 787-795.

Schmidt, G.J., and E.E. Schilling. 2000. Phylogeny and biogeography of Eupatorium (Asteraceae: Eupatorieae) based on nuclear ITS sequence data. Amer. J. Botany 87: 716-726.

Siripun, K.C., and E.E. Schilling. 2006. Eupatorium. In Flora of North America Editorial Committee. 2006c. Flora of North America north of Mexico. Volume 21, Magnoliophyta: Asteridae, part 6: Asteraceae, part 3. Oxford Univ. Press, New York, NY. 616 pp.

Siripun, K.C., and E.E. Schilling. 2006. Molecular confirmation of the hybrid origin of Eupatorium godfreyanum (Asteraceae). Amer. J. Bot. 93: 319-325.

Sullivan, J.R. 1978. Putative hybridization in the genus Eupatorium (Compositae). Rhodora 80: 513-527.

Tucker, A.O., and N.H. Dill. 1989. Nomenclature and distribution of Eupatorium × truncatum, with comments on the status of E. resinosum var. kentuckiense (Asteraceae). Castanea 54(1): 43-48.