@article {2039,
	title = {Evolution, Evidence, and the Role of Species Concepts in Phylogenetics},
	journal = {Systematic Botany},
	volume = {22},
	year = {1997},
	pages = {373-403},
	keywords = {EVOLUTION, PHYLOGENETIC SPECIES CONCEPT, phylogenetics, species, SPECIES CONCEPTS},
	author = {Davis, Jerrold I.}
}
