FLORA OF VIETNAM Orchidaceae Paphiopedilum helenae Aver.
N. Vietnam, prov. Cao Bang, distr. Ha Lang, municipality Thanh Nhat (N 22°41′ E 106°40′), about 42 km to E from Cao Bang town. Primary open coniferous and mixed semideciduous forest along tops of remnant limestone ridge at 600 m alt. Epilite herb on shadow vertical cliffs of N exposition. Very rare. Certainly vanish due to logging and drying of habitats. CBL 744 27 Nov. 1998 International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98) Collectors: Averyanov L., P.K.Loc, N.X.Tam.
Coordinates (geographic position):22° 41′ N, 106° 40′ E ±1000 mRecord creation: 2020-11-02, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01074809 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01074809