. . . . . . . . . "Bombus ternarius" . . "Tanacetum vulgare" . . "Anita. 2016. Bombus ternarius associated species with names lookup Tanacetum vulgare. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/4281601> 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." .