89763
More than 85 species of submerged macrophytes have been recorded , including genera such as " Ceratophyllum " , " Myriophyllum " , " Potamogeton " , and " Sparganium " .
 Ceratophyllum, Myriophyllum, Potamogeton, Sparganium
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Ceratophyllum, Myriophyllum, Potamogeton, Sparganium