. . . . . . . . . "Poecilopompilus interruptus" . . "Ceanothus americanus" . . "Martin R. Lucas. 2017. Poecilopompilus interruptus nectar plant Ceanothus americanus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/9153126> 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." .