. . . . . . . . . "Acanthucus trispinifer" . . "Lepidium oleraceum" . . "Peter de Lange. 2016. Acanthucus trispinifer host Lepidium oleraceum. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/3032145> 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." .