Quoc Trong, Nghiem, Duc Binh, Nguyen, Van On, Tran, Phuong Hanh, Nguyen, AND Trung Thanh, Nguyen. " A New Species of the Genus of Alpinia (Alpinia graminifolia D. Fang & G.Y. Lo) Recorded for Vietnam’s Flora" VNU Journal of Science: Natural Sciences and Technology [Online], Volume 34 Number 4 (23 December 2018)