Juncus triformis is an uncommon species of rush known by the common names Yosemite dwarf rush and long-styled dwarf rush.

It is endemic to California, where it grows in wet granite rock habitat covered in thin soil layers, such as vernal pools and seeps.Calflora database: Juncus triformis . 2.12.2013 It is known from the Sierra Nevada, Central Valley, southern Cascade Range, and locations in the eastern Transverse Ranges and the Peninsular Ranges in Southern California.Jepson . 2.12.2013

Description Juncus triformis is a small annual herb forming dense clumps of hair-thin red stems up to about 16 centimeters high.

The inflorescence is made up of one to eight tiny flowers atop each stem. The flowers have a few greenish to bright red segments no more than 4 or 5 millimeters long.

References

External links Jepson Manual Treatment — Juncus triformis Juncus triformis Photo gallery