Noun
a large and diverse family of evergreen or deciduous herbs; widely distributed in northern temperate and cold regions; sometimes includes genera of the family Hydrangeaceae
Source: WordNetThese have long been known to be related to each other, but the circumscription of Saxifragaceae has changed dramatically. Source: Internet
Two members of the core Saxifragales had sometimes been placed near Saxifragaceae, but usually elsewhere. Source: Internet
Penthorum has usually been associated with Crassulaceae, but sometimes with Saxifragaceae. Source: Internet