. . . . . . . . . "Pieris rapae" . . "Centranthus ruber" . . "hannah-belle. 2018. Pieris rapae interaction->visited flower of Centranthus ruber. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/9961275> 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." .