Whitlow grass, also known as Draba, is a plant belonging to the mustard family that grows in rocky and cold areas. It typically has yellow or white flowers and small leaves. As Draba is not widely known, it can be helpful to have a few synonyms to use instead. Alternative names for whitlow grass include rockcress, whitetop, hoary whitlow grass, and mountain whitlow grass. These names are reflective of the plant's physical characteristics and preferred growing conditions. The choice of synonym used may vary depending on the location, but all refer to the same plant.