The Saxifragaceaeare afamilyof dicotyledonous plants of the Saxifragalesorder.It includes approximately 460 speciesthat arespread all over the world with the greatest concentration is in East Asia and North America.
The leaves are simple alternately or oppositely arranged. The flowersare bisexual, rarelyunisexual. The fruits are berries or capsules.
InBulgaria there are naturally spread 4 genera with30 speciesof the family of which 6 species are protected by the Law on Biological Diversity: Chrysosplenium Tourn.ex L.,Saxifraga L., Parnassia L.,Ribes L.