. . . . . . . . . "Danaus gilippus" . . "Asclepias perennis" . . "mothlady41. 2017. Danaus gilippus insect host plant Asclepias perennis. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/9845893> 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." .