. . . . . . . . . "Parmelia squarrosa" . . "Pinaceae" . . "Nova Patch. 2017. Parmelia squarrosa host Pinaceae. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/7471349> 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." .