Podostemum ceratophyllum var. abrotanoides (Nuttall) Weddell

Podostemum ceratophyllum var. abrotanoides (Nuttall) Weddell is a synonym sensu FNA Ed. Comm., 2015 of:

Podostemum ceratophyllum Michaux, an accepted species name sensu FNA Ed. Comm., 2015.