Do the genuses Tiarella and Lagunaria belong to the same family?
Tiarella 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:
Margarita (gastropod) Margarita is a genus of sea snails, marine gastropod mollusks in the family Margaritidae.