. . . . . . . . . "Eurytides marcellus" . . "Prunella vulgaris" . . "Greg Lasley. 2014. Eurytides marcellus nectar plant Prunella vulgaris. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/749941> 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." .