Isoetes muricata var. braunii (Engelmann) C.F. Reed

Isoetes muricata var. braunii (Engelmann) C.F. Reed is a synonym sensu Hassler, 2014-2024+ of:

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