BC Bee Atlas

• The Bees of British Columbia. Sheffield and Heron (2018)

• A Bibliographical and Spatio-Temporal Catalogue of The Bee Species of the Pacific Maritime Ecozone of British Columbia, Canada (Quayle, Zand & Best, 2024)

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• Pacific Maritime Big Book of Bees

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• Pacific NorthWest Bumble Bee Atlas

• Bees of Canada. A Royal Saskatchewan Museum Initiative

• Bees of the Pacific Northwest : key to genera

• Bees of the Pacific Northwest : key to bumble bee species for males

• Bees of the Pacific Northwest : key to bumble bee species for females