Rockfoil

(Saxifraga) Saxifraga is a large group of hardy perennial plants. Only a few are annuals or biennials. They are mostly natives of North and South Temperate and Arctic regions. A few are found in Asia and they are rare in South America. The name is an old Latin name derived from saxum, a rock and frangor, to break; the plant was though...
Found on http://www.botany.com/saxifraga.html

rockfoil

rockfoil: see saxifrage.
Found on http://www.infoplease.com/ce6/sci/A0918200.html
No exact match found