Wolffia Wolffia HORKEL ex SCHLEID. in Beitr. Bot. 1: 233. 1844≡Grantia GRIFF. ex VOIGT, Hort. Suburb. Calc.: 692. 1845≡Bruniera FRANCH. in Billotia 1: 25, 30. 1864≡Wolffia sect. Uniflorae subsect. Estipitatae HEGELM., Lemnac.: 122. 1868
