. . . . . . . . . "Aglais urticae" . . "Petasites hybridus" . . "Marion Zöller. 2015. Aglais urticae nectar plant Petasites hybridus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/1393863> 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." .