@article {3828,
	title = {A revision of some North American species of Calamagostis},
	journal = {Rhodora},
	volume = {32},
	year = {1930},
	pages = {35-57},
	keywords = {CLIFFORD REPRINT, POOIDEAE, species},
	author = {Stebbins, G. L.}
}
@article {3830,
	title = {Cytogenetics and evolution in the grass family},
	journal = {American Journal of Botany},
	volume = {43},
	year = {1956},
	pages = {890-905},
	keywords = {CLASSIFICATION, CR REF, EVOLUTION},
	author = {Stebbins, G. L.}
}
@article {3831,
	title = {Taxonomy and evolution of genera, with special reference to the family Gramineae},
	journal = {Evolution},
	volume = {10},
	year = {1956},
	pages = {235-245},
	keywords = {EVOLUTION, GENERA, GRAMINEAE, TAXONOMY},
	author = {Stebbins, G. L.}
}
@article {3833,
	title = {Coevolution of grasses and herbivores},
	journal = {Annals of the Missouri Botanical Garden},
	volume = {68},
	year = {1981},
	pages = {75-86},
	keywords = {CR REF, EVOLUTION, Grasses},
	author = {Stebbins, G. L.}
}
@article {3836,
	title = {Species concepts: Semantics and actual situations},
	journal = {Biology and Philosophy},
	volume = {2},
	year = {1987},
	pages = {198-203},
	keywords = {PHILOSOPHY, species, SPECIES CONCEPTS},
	author = {Stebbins, G. L.}
}
