FLORA OF VIETNAM Polypodiaceae s.l. Cyathea sp. Ha Giang prov., Quan Ba distr., Tung Vai commune, Thang village, around point 23º03ʹ13.4ʺN 104º51ʹ48.8ʺE, steep rocky slopes of stream valley composed with eroded stratified highly eroded limestone at elevation 1000-1200 m a.s.l. Primary evergreen broad-leaved very humid forest. Woody fern to 10 m tall and fronds to 4 m long on steep rocky slope. Very common. 23 April 2018, L. Averyanov, Nguyen Sinh Khang, Nguyen Tien Hiep, Nguyen Quang Hieu, Chuong Quang Ngan, T. Maisak, VR 727.
Coordinates (geographic position):23° 3′ 13.4″ N, 104° 51′ 48.8″ E ±1000 mComment:
Record creation: 2019-04-21, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01050092 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01050092