Carex idahoa Bailey

Oregon: Grant County: [locality and coordinates withheld; status in Oregon: S1 (Critically Imperiled; OBIC)],
Wide terraces bisected by large stream (Antelope Creek?) entering valley from the south. Ponderosa woodlands and forests on adjacent upland slopes flank sedge lands and boggy meadows near stream margins, descending into valley. Very high plant diversity, important ecological feature of Antelope Valley. Locally abundant but otherwise rare rhizomatous sedges to about 20 centimeters in wet soil on alluvial terraces of stream. Forming dense colonies amidst other sedge species. Plants glaucous, glumes deep brown, almost black. Silica gel-dried is available upon requsest. Phenology: Flowers & Fruits.

C. E. Hinchliff 477, Jun 9, 2010
With J. Galland, K. Triesch, D. Wageman.
WTU, Accession: 384695