. . . . . . . . . "Brevicoryne brassicae" . . "Brassica" . . "Tony Wills. 2008. Brevicoryne brassicae host Brassica. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/952874> 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." .