. . . . . . . . . "Anthophora urbana" . . "Rudbeckia" . . "Gary McDonald. 2007. Anthophora urbana associated species with names lookup Rudbeckia. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/919548> 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." .