Bombus morrisoni is a species of bumblebee. It is native to western North America, including the western United States and British Columbia. It is known commonly as the Morrison bumblebee. This bee lives in open scrub habitat. It nests underground and aboveground in structures and grass hummocks. It feeds on many kinds of plants, including milkweed, milkvetch, rabbitbrush, thistles, bee plants, goldenbushes, sunflowers, and goldenrods. It is an important pollinator of alfalfa in some areas.