Juncus effusus

This is a plant of lake shores and other low wet places. My pictures of it are from Indiana. Some of the rushes I've seen along the Rio Grande in New Mexico could well be this species, but I haven't keyed any of them out yet.

An inflorescence with mature fruits on the shore of Griffy Lake on the north side of Bloomington, IN, 7/7/04.

Closer view of mature fruits on the shore of Griffy Lake, 7/7/04.