Carex nervina is a species of sedge known by the common name Sierra sedge. It is native to California and adjacent parts of Oregon and Nevada, where it grows mainly in mountain meadows. It forms thick clumps of spongy, winged stems up to about 70 centimeters tall. The flower cluster is a dense cluster of a few compact spikes up to 3 centimeters long. The fruit is coated in a shiny green or brown toothed perigynium.
Carex nervina
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