. . . . . . . . . "Celastrina argiolus" . . "Marrubium peregrinum" . . "Kostas Zontanos. 2016. Celastrina argiolus nectar plant Marrubium peregrinum. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/8295108> 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." .