. . . . . . . . . "Papilio machaon" . . "Peucedanum oreoselinum" . . "Ростислав Журавчак. 2017. Papilio machaon insect host plant Peucedanum oreoselinum. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/7418370> 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." .