Species commonly cultivated
Juncus bufonius L. (cosmopolitan)
J. canadensis J. Gay (North America)
J. effusus L. (Americas, Europe, Australia, New Zealand)
J. usitatus L.A.S. Johnson (Australia)
Juncus effusus is introduced into Australia.
information not available
Perennial or annual rush. Clump-forming and/or colonial. Stems terete or flattened, unbranched, bright green to dark gray. Leaves absent or alternate, narrow and flattened, capillary, or terete, occasionally sheathing at base, sheath base open, sometimes transversely septate. Inflorescence a cluster of cymes, often appearing paniculate, much branched. Flowers small; perianth of 6 tepals in 2 whorls, thin and scarious, green, brown or reddish. Fruit a capsule.
all types of lowland water-bodies
Juncus, the true rushes, contains ca. 230 spp. worldwide, with some species cultivated for ponds.