Campanula raineri (Rainer's bellflower, Rainer's harebell) is a species of flowering plant in the genusCampanula of the familyCampanulaceae, native to the Swiss and Italian Alps. It is a low-growing herbaceousperennial growing 5–8 cm (2–3 in) tall by up to 20 cm (8 in) wide, with pale lilac bell-shaped flowers in summer. It is suitable for cultivation in the alpinum or rock garden. It spreads by underground runners.[1] Its locus classicus is located in Canzo, Lombardy.[2]