Eric Dinerstein, David Olson, et al. (2017). An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm, BioScience, Volume 67, Issue 6, June 2017, Pages 534–545; Supplemental material 2 table S1b. [1]
van der Ent, A., Erskine, P., Mulligan, D., Repin, R., & Karim, R. (2016). Vegetation on ultramafic edaphic “islands” in Kinabalu Park (Sabah, Malaysia) in relation to soil chemistry and elevation. Plant and Soil, 403(1/2), 77–101. http://www.jstor.org/stable/43872634