. . . . . . . . . "Andricus crystallinus" . . "Quercus berberidifolia" . . "James. 2015. Andricus crystallinus host Quercus berberidifolia. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/1771051> 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." .