. . . . . . . . . "Pinus monophylla" . . "Yucca schidigera" . . "Colin Barrows. 2016. Pinus monophylla associated species with names lookup Yucca schidigera. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/2708516> 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." .