. . . . . . . . . "Phyciodes phaon" . . "Marrubium vulgare" . . "Chuck Sexton. 1970. Phyciodes phaon nectar plant Marrubium vulgare. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/2112454> 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." .