. . . . . . . . . "Polites sabuleti" . . "Calyptridium umbellatum" . . "Will Richardson. 2011. Polites sabuleti nectar plant Calyptridium umbellatum. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/9197765> 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." .