. . . . . . . . . "Pieris rapae" . . "Raphanus sativus" . . "BJ Stacey. 2013. Pieris rapae nectar plant Raphanus sativus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/282466> 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." .