. . . . . . . . . "Pieris rapae" . . "Euthamia occidentalis" . . "kevinhintsa. 2017. Pieris rapae nectar plant Euthamia occidentalis. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/8232424> 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." .