. . . . . . . . . "Amazilia violiceps" . . "Psittacanthus calyculatus" . . "eva almanza. 2017. Amazilia violiceps nectar plant Psittacanthus calyculatus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/6518338> 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." .