. . . . . . . . . "Trichaptum biforme" . . "Betula nigra" . . "Johnny Wilson. 2016. Trichaptum biforme eating Betula nigra. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/2838712> 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." .