Lycopodium tetrastichum Kunze (=Phlegmariurus tetrastichus (Kunze) A.R. Field & Bostock)
Southern Vietnam, Dak Nong province, Nam Mung Nature Reserve (territory of Krong No, Dak Glong and Dak Song districts), evergreen broad-leaved forest at elevation about 800 m a.s.l., epiphyte on tall trees, locally very common. Living plant collected for cultivation by Nguyen Van Canh in 17 March 2017, herbarium specimen prepared in 30 January 2019 by L.Averyanov, E.Averyanova, AL 479.