. . . . . . . . . "Pontia sisymbrii" . . "Allium" . . "icosahedron. 2017. Pontia sisymbrii nectar plant Allium. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/6165371> 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." .