. . . . . . . . . "Pyrgus albescens" . . "Tribulus terrestris" . . "Mickey Long. 2014. Pyrgus albescens nectar plant Tribulus terrestris. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/879830> 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." .