A list of bees from three locations in the Northern Rockies Ecoregion (NRE) of western Montana Reese, Elizabeth G. Burkle, Laura A. Delphia, Casey M. Griswold, Terry Biodiversity Data Journal 2018 6 27161 27161 Cockerell, 1907 Cockerell 1907 Insecta Megachilidae Osmia CoL Animalia Osmia (Melanosmia) physariae Hymenoptera 0 27161 Arthropoda species physariae Melanosmia  Notes Collected from the Park County site (Table 1, Suppl. material 1)