mossy saxifrage(n = noun.plant) saxifraga hypnoides - tufted or mat-forming perennial of mountains of Europe; cultivated for its white flowers;
is a kind of breakstone, rockfoil, saxifrage
is a member of genus saxifraga, saxifraga

golden saxifrage, leatherleaf saxifrage, meadow saxifrage, mossy, purple saxifrage, saxifrage, saxifrage family, star saxifrage, starry saxifrage, strawberry saxifrage, western saxifrage, yellow mountain saxifrage