Wang, Y. ., Wang, J. ., Lai, L. ., Jiang, L. ., Zhuang, P. ., Zhang, L. ., … Baskin, C. . (2014). Geographic variation in seed traits within and among forty-two species of Rhododendron (Ericaceae) on the Tibetan plateau: relationships with altitude, habitat, plant height, and phylogeny. Ecology and Evolution, 4(10), 1913-23. https://doi.org/10.1002/ece3.1067