Cladium californicum is a species of flowering plant in the sedge family known by the common name California sawgrass. It is native to the southwestern United States and northern Mexico where it grows in moist areas in a number of habitat types, often in alkaline soils. This is a perennial herb with a hollow, erect, rounded stem one to two meters tall. It grows from rhizomes in dense clumps. The narrow leaves are flat and edged with small, sharp teeth. The inflorescence is a large panicle of spikelets yielding oval-shaped, purplish-brown fruits.