What Plant Is This Found In The Wild?

[Srib]

Found these in the wild (I live in Thailand) I know it's 100% aquatic because I found lots growing in bunches by the end of a small pond and river bed whilst I was catching some wild Betta's. 
 

 

 

[Munroco]

Pygmy chain swords Echinodorus tenellus possibly.

 

 

[cooledwhip]

 
Pygmy chain swords Echinodorus tenellus possibly.
 
 

Hygrophila Corymbosa?
 
Looks like it.
 
EDIT: Nvm. It is a type of sword most likely.

 

[Srib]

Thanks for the names just used google to search and found the exact plant it is hygrophila corymbosa angustifolia 

Hygrophila Corymbosa angustifoliahygrophila corymbosa angustifolia

Hygrophila Corymbosa angustifolia

Hygrophila Corymbosa angustifolia