The Paramerican Moss is the upgraded version of the Paraslimemoss. You upgrade it in Story Mode at the end of a level using dig power as a curency. It acts the same way as its normal version but it has higher HP, Atk, Def...
Note: I will write in the stats a bit later or someone else can.
Just like the Paraslimemoss, it paralyzes it's predators and/or heroes.