Moehringia mucosa, commonly known as stiff sandwort, is a small, delicate plant that is often found in sandy or rocky areas. Some synonyms for this species include Arenaria mucosa, Sabulina mucosa, and Moehringia aretioides. These alternative names are used by different scientific communities and may refer to variations or subspecies of M. mucosa. Despite the varying names, all refer to a plant with tiny white or pink flowers, narrow leaves, and an ability to thrive in harsh environments. These synonyms may make scientific or botanical discussions more specific or allow for a better understanding of the plant's range and geographic distribution.