Potamogeton × nervigerus
Potamogeton × nervigerus Wolfg.
水莖草（Potamogeton × nervigerus）為水莖草科（Potamogetonaceae）水莖草屬的植物，由Wolfg. 於1827年發表。
Synonyms
Potamogeton rufescens var. nervigerPotamogeton rufescens subsp. nervigerPotamogeton assidensPotamogeton alpinus var. nervigerPotamogeton rufescens var. nervigerusPotamogeton rufescens subsp. nervigerusPotamogeton alpinus subvar. nervigerusPotamogeton alpinus subvar. nerviger