Wolffiella gladiata (Hegelm.) Hegelm. Wolffiella gladiata (Hegelm.) Hegelm. in Bot. Jahrb. Syst. 21: 304. 1896 sec. Espejo-Serna & López-Ferrari 2008≡Wolffia gladiata Hegelm., Lemnac.: 133. 1868 syn. sec. Espejo-Serna & López-Ferrari 2008