. . . . . . . . . "Hormaphis hamamelidis" . . "Hamamelis virginiana" . . "jhammock. 2016. Hormaphis hamamelidis forms gall on Hamamelis virginiana. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/3269209> 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." .