Tiarella, foamflower, is a genus of wildflower and garden plants found in Asia and North America. They belong to the Saxifrage family (Saxifragaceae). Some species are: \n* Tiarella cordifolia (heartleaved foamflower) \n* Tiarella polyphylla (foamflower), Eastern Asia \n* Tiarella trifoliata (laceflower, threeleaved foamflower), northwestern North America Many hybrids are known and cultivated. \n* \n* Tiarella 'Cygnet' leaves