Egeria densa Planch. in Ann. Sci. Nat., Bot. sér. 3. 11: 80. 1849 sec. Calderón & Rzedowski 2010
- =Elodea densa (Planch.) Casp. in Monatsber. Königl. Preuss. Akad. Wiss. Berlin 1857: 48. 1857 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Elodea canadensis var. gigantea hort. ex L.H. Bailey, Stand. Cycl. Hort. 2: 1111. 1914 syn. sec. Espejo-Serna & López-Ferrari 2008
- =Anacharis densa (Planch.) Vict. in Contr. Lab. Bot. Univ. Montréal 18: 41. 1931 syn. sec. Espejo-Serna & López-Ferrari 2008