Celmisia saxifraga, commonly known as the small snow daisy, is a perennial herb in the Asteraceae family.

[3] Like other members of the Asteraceae family, C. saxifraga has a composite flower head with both disk and ray florets.

[4] Inflorescence are a typical daisy arrangement with white outsides and a yellow centre.

[5] The fruit is small, hard, and dry, similar to a sunflower seed.

The name "stone-breaker" is however thought to refer to plant in the genus Saxifraga being used in treating kidney stones.