
The Dothraki have two things
in abundance - GRASS and horses.
Game of Thrones Season 1, Episode 2

Why can't the GRASS
always be greener on your side?
Breaking Bad Season 2, Episode 10

Khaleesi of the Great Grass Sea,
Game of Thrones Season 3, Episode 7

It murders all other GRASS.
Game of Thrones Season 1, Episode 2

they say there are fields of ghost GRASS
Game of Thrones Season 1, Episode 2