"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:
Tiarella cordifolia (heartleaved foamflower)
Tiarella polyphylla (foamflower), Eastern Asia
Tiarella trifoliata (laceflower, threeleaved foamflower), northwestern North America
Many hybrids are known and cultivated."
Taken from wikipedia's page at: http://en.wikipedia.org/wiki/T...