. . . . . . . . . "Bombus terricola" . . "Spiraea alba" . . "Denis Doucet. 2017. Bombus terricola associated species with names lookup Spiraea alba. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/7281598> 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." .