1. Genetic variability in edaphically restricted and widespread plant species;Babbel;Evolution,1974
2. Chromosome numbers and taxonomic notes for North American species of Antennaria (Asteraceae: Inuleae);Bayer;Syst. Bot.,1984
3. Evolution and phylogenetic relationships of the Antennaria (Asteraceae: Inuleae) polyploid agamic complexes;Bayer;Biol. Zentralbl.,1987a
4. Morphometric analysis of western North American Antennaria Gaertner (Asteraceae: Inuleae);Bayer;I. Sexual species of sections Alpinae, Dioicae, and Plantaginifoliae. Canad. J. Bot.,1987b
5. Patterns of isozyme variation in western North American Antennaria (Asteraceae: Inuleae). I. Sexual species of section Dioicae. Syst;Bayer;Bot.,1988