FLORA OF VIETNAM
Lycopodiaceae
Phlegmariurus hamiltonii (Spreng.) Á.Löve & D.Löve

Ha Giang prov., Quan Ba distr., Bat Dai Son commune, Bat Dai Son Nature Reserve, San Chu village, around point 23°08ʹ55.1ʺN 104°59ʹ45.7ʺE, 1100-1290 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen coniferous humid forest with Pseudotsuga sinensis on rocky mountain tops and ridges. Epiphyte on mossy trees and occasionally lithophyte on mossy rocks. Occasional. 13 April 2018, L. Averyanov, Nguyen Sinh Khang, Chuong Quang Ngan, T. Maisak, VR 006 (HN, LE01054009).