. . . . . . . . . "Papilio rutulus" . . "Erysimum" . . "Don Loarie. 2011. Papilio rutulus nectar plant Erysimum. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/15724> 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." .