- Tiarella, genus Tiarella - small genus of North American herbs having mostly basal leaves and slender racemes of delicate white flowers
--1 is a kind of rosid dicot genus
--1 is a member of Saxifragaceae, family Saxifragaceae, saxifrage family
--1 has members:foamflower, coolwart, false miterwort, false mitrewort, Tiarella cordifolia; false miterwort, false mitrewort, Tiarella unifoliata