. . . . . . . . . "Vanessa virginiensis" . . "Sisymbrium" . . "Lee Elliott. 2016. Vanessa virginiensis nectar plant Sisymbrium. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/3611198> 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." .