Braya thorild-wulffii, the Greenland northern rockcress, is a plant species native to Greenland, Nunavut the Canadian Northwest Territories, and from the Chukotka Autonomous Okrug of eastern Russia.

[2][3][4][5] Braya thorild-wulffii is an herb up to 10 cm tall, sometimes hairy, sometimes not.

Leaves are spatula-shaped, up to 4 cm long.

Flowers are white to purplish, up to 10 mm in diameter.

Fruits spherical or egg-shaped, up to 10 mm in diameter.