. . . . . . . . . "Veratrum viride" . . "Erythronium americanum" . . "Ron Payne. 2016. Veratrum viride associated species with names lookup Erythronium americanum. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/3151294> 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." .