. . . . . . . . . "Papilio cresphontes" . . "Apocynum" . . "Sara. 2014. Papilio cresphontes nectar plant Apocynum. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/747466> 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." .