. . . . . . . . . "Bombus pensylvanicus" . . "Malvaviscus arboreus" . . "Deborah. 2016. Bombus pensylvanicus pollinates Malvaviscus arboreus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/3961559> 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." .