. . . . . . . . . "Bombus mixtus" . . "Salix hookeriana" . . "Mike Patterson. 2016. Bombus mixtus associated species with names lookup Salix hookeriana. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/2716852> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .