. . . . . . . . . "Sticta fuliginosa" . . "Malus ×domestica" . . "Peter de Lange. 2016. Sticta fuliginosa host Malus ×domestica. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/2868196> 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." .