FLORA OF VIETNAM Orchidaceae Porpax grandiflora Seidenf.
Cao Bang Prov., Nguyen Binh Distr., Ca Thanh Municipality, Ta Pin village, around point 22°43′56.4″N, 105°51′16.4″E. Primary coniferous forest with Pseudotsuga sinensis along highly eroded rocky limestone ridge at elevation about 1400 m a.s.l. Clustering epiphyte on mossy trees in shady places along ridge. Not rare. 3 October 2013 CPC 5372 / TM 1031 L.Averyanov, N.T.Hiep, L.M.Tuan, N.S.Khang, T.Maisak, L.Osinovets
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Coordinates (geographic position):22° 43′ 56.4″ N, 105° 51′ 16.4″ E ±1000 mRecord creation: 2020-12-24, Leonid Averyanov, PhotoScan D2. Processing status: work_status_1Citation: Specimen LE 01075742 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01075742