FLORA OF VIETNAM Alismataceae Sagittaria sagittifolia
N. Vietnam, prov. Ha Giang, distr. Yen Minh, municipality Du Gia, vicinities of Coc Pan village (N 23°56′ E 105°13′). Secondary wet closed evergreen broadleaved forest on limestone ridge foothills along river at 450 m elev. Semiaquatic herb in swampy open place along streamlet. Flowers white. Occasional weed in rice fields.
CBL 2004 03 May 1999
International Botanical Expedition of the U.S.A. National Geographic Society (grant No 6300-98)