. . . . . . . . . "Pieris virginiensis" . . "Cardamine diphylla" . . "Curt Lehman. 2015. Pieris virginiensis nectar plant Cardamine diphylla. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/1444103> 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." .