Portman, Z. M., Gardner, J., Lane, I. G., Gerjets, N., Petersen, J. D., Ascher, J. S., Arduser, M., Evans, E. C., Boyd, C., Thomson, R., & Cariveau, D. P. (2023). A checklist of the bees (Hymenoptera: Apoidea) of Minnesota. Zootaxa, 5304(1), 1–95. https://doi.org/10.11646/zootaxa.5304.1.1