. . . . . . . . . "Spragueia leo" . . "Eupatorium semiserratum" . . "Royal Tyler. 2014. Spragueia leo nectar plant Eupatorium semiserratum. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/800735> 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." .