. . . . . . . . . "Eriophyes torminalis" . . "Sorbus torminalis" . . "Tig. 2017. Eriophyes torminalis forms gall on Sorbus torminalis. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/6299620> 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." .