Lectotype : LECTOTYPE (designated here): “Elatine hydropiper, [Sweden, Östergötland] Ög, Motala, Aug., H. Holmgren”. [Fries, Herbarium Normale, Fasc. 9, no. 41 (1842; distributed in 1843)] (UPS (V-107893) 199429!; isolectotypes at least C, H 2 sheets!, S 2 sheets, TU!, UPS 2 sheets!).
Références :
Uotila (2009)