GIBBY, M.; MIDDLETON, D. J. Flora of Peninsular Malaysia, Series I: Ferns and Lycophytes, Volume 1 (Malayan Forest Records No. 48) . B. S. Parris, R. Kiew, R. C. K. Chung, L. G. Saw & E. Soepadmo (eds). / Flora of Peninsular Malaysia, Series II: Seed Plants, Volume . Edinburgh Journal of Botany, v. 68, n. 2, p. 328–330, 14 Jun.2011.