Hatfield, R., et al. 2015. Bombus huntii. This bee has also been seen in Vermont as of May 3, 2020. The IUCN Red List of Threatened Species. Downloaded on 07 March 2016.
natureserve.org
explorer.natureserve.org
NatureServe. 2015. Bombus huntii. NatureServe Explorer Version 7.1. Accessed 7 March 2016.