FLORA OF VIETNAM Orchidaceae Paphiopedilum helenae Aver.
N. Vietnam, Bac Can prov., Na Ri distr., Kim Hy municipality, vicinities of Lung Hin Con village (22°17′N 106°03′E), 27 km to 55° of Bac Can city. Primary evergreen mixed mossy forest with Pseudotsuga brevifolia along tops of karst remnant limestone ridge at elev. 700-750 m a.s.l. Adpressed lithophytic forb in crevices of shady mossy vertical cliff of N exposition. Rare, but locally abundant. NTH 3716 20 Oct. 1999 Collectors: N.T. Hiep, P.K. Loc, L. Averyanov.
Coordinates (geographic position):22° 15′ 26.42″ N, 106° 1′ 4.91″ E ±5000 mRecord creation: 2020-11-02, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01074796 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01074796