. . . . . . . . . "Xanthoria parietina" . . "Aesculus californica" . . "catchang. 2016. Xanthoria parietina associated species with names lookup Aesculus californica. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/4082108> 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." .