FLORA OF VIETNAM Orchidaceae Dendrobium williamsonii Rchb.f.
N. Viet Nam. Ha Giang Province, Quang Ba District, at Sin Suoi Ho village and river. Degraded agricultural land among limestone rocks to ridgetop of exposed limestone under light canopy with many epiphytes and lithophytes on north and east facing slopes, at 23°06′57″N, 105°01′48″E, at 514-900 m. Epiphyte on low tree at ridge. Sheaths with black hairs, flower buds light cream-green, petals lighter yellow, lip with orange at opening. DKH 4800 1 April 2000 Collectors: D.K.Harder, N.T.Hiep, L.V.Averyanov, N.Q.Hieu, K.Daria.
Coordinates (geographic position):23° 6′ 57″ N, 105° 1′ 48″ E ±1000 mRecord creation: 2020-06-20, Leonid Averyanov, PhotoScan D1. Processing status: work_status_1Citation: Specimen LE 01067763 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01067763