. . . . . . . . . "Sphecius grandis" . . "Cynanchum angustifolium" . . "Javi Gonzalez. 2017. Sphecius grandis nectar plant Cynanchum angustifolium. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/7397852> 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." .