. . . . . . . . . "Polytoxon robustum" . . "Fungi" . . "i_c_riddell. 2018. Polytoxon robustum feeding on Fungi. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/10042362> 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." .