. . . . . . . . . "Pinus quadrifolia" . . "Adenostoma sparsifolium" . . "James. 2016. Pinus quadrifolia associated species with names lookup Adenostoma sparsifolium. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/2619500> 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." .