Dak Nong Province, Dak Song District, Quang Son Commune, Nam Nung Nature Reserve, primary dry evergreen broad-leaved forest on basalt and lava rocks at elevation of about 900 m a.s.l. around the point 12º10’N 107º46’E. Aquatic herb with immersed linear leaves in shallow slow water of rocky forest stream. Flowers white. Locally common.
28 March 2026, L. Averyanov, Nguyen Van Canh, Truong Ba Vuong, Tran Thi Thuy Nhan, Nguyen Quoc Bao, T. Maisak, АL4605.
Record creation: 2026-05-18, Аверьянов Леонид ВладимировичCitation: Specimen LE 01360039 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01360039