New alien Saxifragaceae in Lithuania [Naujos svetimžemės uolaskėlinių (Saxifragaceae) šeimos rūšys Lietuvoje]. – Botanica Lithuanica, 11(1): 17–21

Saxifraga × urbium D. A. Webb and Tiarella cordifolia L. – new alien plant species in Lithuania are described. Both species have spread beyond the areas where they are cultivated. Tiarella cordifolia is a locally naturalized species, whereas Saxifraga × urbium is ascribed to the group of casual species; however, its naturalization is expected.

Keywords: Tiarella cordifolia, Saxifraga × urbium, naturalization, distribution, Lithuania.