P. W. . Fritsch, L. . Lu, M.-Y. Zhang, H. Wang, and D.-Z. Li, “Morphology corroborates DNA sequence data in the species-level recognition of Gaultheria trichophylla var. tetracme (Ericaceae)”, J. Bot. Res. Inst. Texas, vol. 11, no. 2, pp. 343–349, Nov. 2017.