The montane bee fauna of north central Washington, U.S.A., with floral associations
Western North American Naturalist
Taxonomy, systematics, biogeography
Wilson, J.S., L.E. Wilson, L. D. Loftis, and T. Griswold. 2010. The montane bee fauna of north central Washington, U.S.A., with floral associations. Western North American Naturalist 70: 198-207.
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