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Beryl S. Vuilleumier
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Pleistocene Changes in the Fauna and Flora of South America
Beryl S. Vuilleumier, 1971, Science.
The systematics and evolution of Perezia Sect. Perezia (Compositae)
Beryl S. Vuilleumier, 1970, Contributions from the Gray Herbarium of Harvard University.