. . . . . . . . . "Parmotrema austrocetratum" . . "Knightia excelsa" . . "Peter de Lange. 2016. Parmotrema austrocetratum host Knightia excelsa. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/2638440> 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." .