FLORA OF VIETNAM Polypodiaceae s.l. (Athyriaceae) Diplazium crassiusculum Ching Ha Giang Prov., Quan Ba Distr., Thai An Commune, Seo Lung Two Village, around point 22.96988ºN 105.08646ºE. Very steep mountain slopes composed of stratified shale and clayey subsoil at elevation 800–1000 m a.s.l. Primary and secondary evergreen broad-leaved humid forest. Terrestrial fern on steep shady slope. Common. 10 October 2019, L. Averyanov, Nguyen Sinh Khang, T. Maisak, VR 1527.
Coordinates (geographic position):22° 58′ 11.57″ N, 105° 5′ 11.26″ E ±1000 mRecord creation: 2019-12-31, Leonid Averyanov, PhotoScan D1Citation: Specimen LE 01067120 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01067120