. . . . . . . . . "Chrysotoxum festivum" . . "Pulicaria dysenterica" . . "James. 2014. Chrysotoxum festivum interaction->visited flower of Pulicaria dysenterica. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/1658427> 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." .