. . . . . . . . . "Helenium autumnale" . . "Bombus" . . "tobyq. 2015. Helenium autumnale associated species with names lookup Bombus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/1829167> 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." .