FLORA OF VIETNAM
Orchidaceae
Dendrobium hercoglossum Rchb.f.?

Vietnam, Quang Binh Prov., Quang Ninh Distr., Truong Son municipality, around point 17°27′43″N 106°22′50″E.

Primary and secondary broad-leaved forest on steep shale mountain slopes at elevation 500-700 m a.s.l.

Lithophyte on mossy shady stream boulders. Locally very common.

HAL 11578 16 April 2008
Coll.: L.Averyanov, P.K.Loc, N.T.Vinh, N.S.Khang