. . . . . . . . . "Colias philodice" . . "Symphyotrichum laeve" . . "Russ Jones. 2014. Colias philodice nectar plant Symphyotrichum laeve. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/9296221> 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." .