. . . . . . . . . "Euphydryas chalcedona" . . "Keckiella breviflora" . . "Paul G. Johnson. 2017. Euphydryas chalcedona host Keckiella breviflora. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/5511268> 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." .