E. D.  Merrill, ?Additional notes on the Kwangtung flora?, Philippine Journal of Science, vol. 15, pp. 225-261, 1920.

E. D.  Merrill, ?Diagnoses of Hainan plants, II?, Philippine Journal of Science, vol. 23, pp. 237-268, 1923.

E. D.  Merrill, ?Diagnoses of Hainan plants?, Philippine Journal of Science, vol. 21, pp. 337-355, 1922.

E. D.  Merrill, ?Notes on the Flora of Sumatra?, Philippine Journal of Science, vol. 14, pp. 239-250, 1919.