Juncus xiphioides, commonly known as the irisleaf rush, is a species of rush in the Juncacae family. A perennial rush found growing in creek beds and freshwater marshlands of the Southwestern United States. It can be grown for phytoremediation or ornamental purposes.

The Latin name derives from jungere ("to join or bind") as the stems were used for binding and xiphos ("sword") for its blade shaped leaves.

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