. . . . . . . . . "Pieris marginalis" . . "Claytonia perfoliata" . . "icosahedron. 2018. Pieris marginalis nectar plant Claytonia perfoliata. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/10490625> 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." .