. . . . . . . . . "Psylla floccosa" . . "Alnus incana tenuifolia" . . "James. 2016. Psylla floccosa host Alnus incana tenuifolia. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/3560016> 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." .