Chromosome Counts of Compositae From the United States, Mexico, and Guatemala, David J. Keil, Tod F. Stuessy
David J. Keil

Systematics of Isocarpha (Compositae: Eupatorieae), David J. Keil, Tod F. Stuessy
David J. Keil

Diploid and Polyploid Cytotype Distribution in Melampodium cinereum and M. leucanthum (Asteraceae, Heliantheae), Tod F. Stuessy, Hanna Weiss-Schneeweiss, David J. Keil
David J. Keil

Diploid and Polyploid Cytotype Distribution in Melampodium cinereum and M. leucanthum (Asteraceae, Heliantheae), Tod F. Stuessy, Hanna Weiss-Schneeweiss, David J. Keil
Biological Sciences

Systematics of Isocarpha (Compositae: Eupatorieae), David J. Keil, Tod F. Stuessy
Biological Sciences

Chromosome Counts of Compositae From the United States, Mexico, and Guatemala, David J. Keil, Tod F. Stuessy
Biological Sciences