Isoetes echinospora var. robusta Engelmann
Isoetes echinospora var. robusta Engelmann is a synonym sensu Brunton, 2018 of:
Isoetes ×robusta (Engelmann) D.F. Brunton, an accepted species name sensu Brunton, 2018.
Isoetes echinospora var. robusta Engelmann is a synonym sensu Brunton, 2018 of:
Isoetes ×robusta (Engelmann) D.F. Brunton, an accepted species name sensu Brunton, 2018.