Isoetes tenella

Isoetes tenella auct. non Léman ex Desvaux is a synonym (Greuter & Troia, 2015) of:

Isoetes echinospora subsp. muricata (Durieu) Á. Löve & D. Löve, an accepted subspecies name sensu Löve, 1962.

Isoetes tenella Léman is a synonym (FNA Ed. Comm., 1993) of:

Isoetes lacustris Linnaeus, an accepted species name sensu FNA Ed. Comm., 1993.