. . . . . . . . . "Dryas iulia" . . "Ageratina havanensis" . . "Chuck Sexton. 2007. Dryas iulia nectar plant Ageratina havanensis. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/1927149> 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." .