Cerastium dominici, commonly known as Dominic's Mouse-ear, is a species of flowering plant in the family Caryophyllaceae. This perennial herb is characterized by its low-growing, mat-forming habit, typically reaching heights of only a few centimeters. The plant produces small, ovate to elliptic leaves that are densely covered in fine hairs, giving them a soft, almost fuzzy texture. These leaves are arranged oppositely along the stems. The flowers of Cerastium dominici are its most striking feature. They are typically white, with five distinct petals that are often notched or deeply divided, giving them a delicate, star-like appearance. Each flower is borne on a slender stalk, usually emerging from the leaf axils. The fruit is a small capsule that contains numerous tiny seeds. The native range of Cerastium dominici is primarily restricted to specific alpine and subalpine environments. It thrives in rocky, well-drained soils, often found in scree slopes, alpine meadows, and along mountain trails. Its natural habitat is characterized by harsh conditions, including strong winds, intense sunlight, and significant temperature fluctuations. Due to its specific habitat requirements, cultivation of Cerastium dominici outside its native range can be challenging, though it is sometimes grown in rock gardens by experienced horticulturists who can replicate its preferred conditions. It requires full sun and excellent drainage, and is best suited to cooler climates. Overwatering and heavy, compacted soils are detrimental to its survival. While not widely cultivated for ornamental purposes, Dominic's Mouse-ear holds ecological significance within its native alpine ecosystems. As a low-growing plant, it can help stabilize soil in its rocky habitat and provides a food source for certain alpine insects. Its adaptations to harsh alpine conditions, such as its hairy leaves which may help reduce water loss and protect against UV radiation, are of interest to botanists studying plant survival in extreme environments. There is no established record of significant economic, medicinal, or culinary use for Cerastium dominici. Its primary importance lies in its role within its natural environment and its contribution to the biodiversity of alpine flora. The plant's specific adaptations to its challenging environment make it a fascinating subject for understanding plant resilience.