Studies in the Eupatorieae (Compositae). XIX. New combinations in Ageratina Studies in the Eupatorieae (Compositae). XIX. New combinations in v. 19297–298King, Robert M. and Robinson, Harold E. 1970. "Studies in the Eupatorieae (Compositae). XIX. New combinations in Ageratina." Phytologia, 19 297–298.More...ID: 23752Type: articleKeywords: NH-Botany; NMNH