Silene acaulis, commonly known as moss campion, is a perennial flowering plant found in alpine and arctic regions. It typically grows in rocky, well-drained soils and can thrive in harsh conditions, making it a resilient species. The plant features small, pink to purple flowers that bloom in clusters, often surrounded by a cushion of green foliage. This species is notable for its ability to tolerate extreme temperatures and high altitudes. Silene acaulis plays a role in its ecosystem by providing food for pollinators and contributing to soil stability in its native habitats.