Northern Vietnam, Lao Cai Prov., Van Ban Distr., Khanh Yen Ha municipality, to the SW of Na Nheo village (in the vicinity of point
21ш57'34''N, 104ш13'49''E). Primary evergreen broad-leaved wet montane forest with Fokienia hodginsii on steep granite and quartzite slopes of SW exposition at elev. 1800-1900 m a.s.l. Terrestrial sedge. Locally very common co-dominant of herb stratum.