sentences: "Egeria densa" typically displays little variation in growth patterns throughout the year when grown in tropical environments; however, when grown in more moderate environments the plant spends most of its energy on starch production and storage in the winter and canopy growth during the summer season 
  
  "Egeria densa" is native to Argentina, Brazil, and Uruguay.As a result of its popularity in aquariums the plant has now spread to North America, Europe, Asia, Australia, New Zealand, and Africa.