. . . . . . . . . "Trillium erectum" . . "Cardamine diphylla" . . "Charlie Hohn. 2016. Trillium erectum second associated species with names lookup Cardamine diphylla. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/3158108> 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." .