Synonyms
Isoetes foveolata var. plenospora A.A.Eaton
Calamaria saccharata (Engelm.) Kuntze
Isoetes saccharata Engelm.
Isoetes riparia f. saccharata (Engelm.) Proctor
Isoetes riparia var. palmeri (A.A.Eaton) Proctor
Isoetes saccharata var. palmeri A.A.Eaton