Vietnam, Ha Giang Prov., Quan Ba Distr. Vicinities of Quan Ba town, about 1 km to the E around point 23?03’45’’N, 104?59’29’’E at elevation about 600 m a.s.l. Open spring short tall grassland/sedge swamp on travertine slope of Mien river valley. Prostrate creeping, sometimes riparian and sub-aquatic herb. Flowers light blue-violet. Very common.
Record creation: 2026-02-24, Galina Savich, PhotoScan D2Citation: Specimen LE 01318888 // Virtual herbarium of Komarov Botanical Institute RAS — http://re.herbariumle.ru/01318888