. . . . . . . . . "Papilio zelicaon" . . "Angelica californica" . . "Todd Plummer. 2017. Papilio zelicaon perching on Angelica californica. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/6252969> 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." .