Not an accepted name (status: unknown). The accepted name is Najas flexilis (Willd.) Rostk. & W.L.E.Schmidt, 1824.

Najas flexilis subsp. caespitosa (Willd.) Rostk. & W.L.E.Schmidt, 1824 21% complete

No common name

Fl. Sedin.: 382 (1824)

There is no corrections for Najas flexilis subsp. caespitosa yet.