. . . . . . . . . "Coptis trifolia" . . "Thuja occidentalis" . . "Charlie Hohn. 2016. Coptis trifolia associated species with names lookup Thuja occidentalis. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/4440660> 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." .