Wolffia Horkel ex Schleid. in Beitr. Bot. 1: 233. 1844 sec. Stevens 2001
- =Grantia Griff. ex Voigt, Hort. Suburb. Calcutt.: 692. 1845 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Bruniera Franch., Billotia 1: 25. 1864 syn. sec. Espejo-Serna & López-Ferrari 2008