Arctic mouse-ear is a small plant native to the Arctic and subarctic regions, also known as Cerastium alpinum. It gets its name from the mouse-ear-like leaves that it produces. In some circles, it is also referred to as alpine mouse-ear or mountain mouse-ear. The plant has white, star-shaped flowers that bloom in the summer months and it can be found in rocky and barren environments. Other possible synonyms for this plant include white mountain sandwort, alpine chickweed, or arctic mouse-ear chickweed. Whatever the name, this small but sturdy plant plays an important role in the ecosystem of the Arctic.