. . . . . . . . . "Diplolepis polita" . . "Rosa californica" . . "Di. 2016. Diplolepis polita host Rosa californica. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/2862987> 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." .