Translation of "Sawgrass" in Japanese

You pick the route, sawgrass or swamp? 

ヒトモトススキ？　沼(ぬま)？

Sawgrass like this is found throughout Central America.

中米はヒトモトススキが多い

But look, that's just a wall of sawgrass in front of us here.

見ろ　かべみたいだ ヒトモトススキだ