Orchidaceae

Holcoglossum wangii Christenson

Ha Giang Province, Quan Ba District, Bat Dai Son N.R., Can Ty Commune, Dau Cau 1 village, around point N23.09050º E105.01745º, 1050-1150 m a.s.l., karstic, highly eroded mountains composed of solid marble-like limestone, primary evergreen broad-leaved forest on steep slopes mixed with conifers on the ridge and top. Epiphytic herb about 20-25 cm, flower white, 18 November 2019, Nguyen Sinh Khang, Nguyen Van Du, Mac Mahan Scott Forrest, Zale Peter Jeffrey, Paige Gregory & Vu Thin Binh, HG-QB 003.