. . . . . . . . . "Bombus impatiens" . . "Lamium purpureum" . . "tmaines2016. 2017. Bombus impatiens host plant Lamium purpureum. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/5774177> 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." .