Potamogeton berchtoldii Fieber var. berchtoldii
Potamogeton berchtoldii Fieber var. berchtoldii is a synonym sensu TROPICOS of:
Potamogeton berchtoldii Fieber subsp. berchtoldii, an accepted subspecies name sensu WCSP.
Potamogeton berchtoldii Fieber var. berchtoldii is a synonym sensu TROPICOS of:
Potamogeton berchtoldii Fieber subsp. berchtoldii, an accepted subspecies name sensu WCSP.