. . . . . . . . . "Pieris rapae" . . "Cardamine hirsuta" . . "Ian Geary. 2013. Pieris rapae associated species with names lookup Cardamine hirsuta. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/954550> 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." .