. . . . . . . . . "Pieris rapae" . . "Trifolium pratense" . . "Donna Pomeroy. 2016. Pieris rapae nectar plant Trifolium pratense. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/4270299> 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." .