Echinodorus tenellus (Mart.) Buchenau in Index Crit. Butom. Alism. Juncag. 21. 1868 sec. B. Ståhl & al. 2009
- ≡Alisma tenellum Mart. in Schult. & Schult.f., Syst. Veg. 7: 1600. 1830
- Lectotype (designated by Rataj 1975: 13): Brazil, Buritihaes, Contendas, Martius s.n.
