Birdseye Pearlwort, bird-eye pearlwort, procumbent pearlwort, spreading pearlwort, matted pearlwort, Irish moss, pearlwort sagina
Description: evergreen perennial
Place of origin: Eurasia, northern Africa, and parts of North America
Urban habitat: commonly found along roadsides, in moist and sandy soils, pavement openings, median strips, at margins of paths and lawns, in compacted soils; tolerant of roadway salt.
Ecological function: disturbance-adapted colonizer; food for wildlife.
History: A hardy cliff-dwelling species in its native habitat, Sagina procumbens is found throughout the world including Greenland, Siberia, and parts of Antarctica.