. . . . . . . . . "Trifolium pratense" . . "Pieris rapae" . . "Joel McCloskey. 2017. Trifolium pratense pollinator Pieris rapae. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/6717844> 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." .