Echinodorus tenellus var. parvulus (Engelm.) Fassett
Echinodorus tenellus var. parvulus (Engelm.) Fassett
Synonym von: Helanthium tenellum (Mart. ex Schult.f.) J.G.Sm.
Echinodorus tenellus var. parvulus (Engelm.) Fassett
Synonym von: Helanthium tenellum (Mart. ex Schult.f.) J.G.Sm.