inflorescence of <i><a href="//commons.wikimedia.org/w/index.php?title=Carex_arcta&amp;action=edit&amp;redlink=1" class="new" title="Carex arcta (page does not exist)">Carex arcta</a></i> from Hurd, E.G., N.L. Shaw, J. Mastrogiuseppe, L.C. Smithman, and S. Goodrich. 1998. Field guide to Intermountain sedges. General Technical Report RMS-GTR-10. USDA Forest Service, RMRS, Ogden. Courtesy of USDA FS RMRS Boise Aquatic Sciences Lab.
Hurd, E.G., N.L. Shaw, J. Mastrogiuseppe, L.C. Smithman, and S. Goodrich.
<a rel="nofollow" class="external free" href="https://plants.usda.gov/java/largeImage?imageID=caar2_002_avp.tif">http://plants.usda.gov/java/largeImage?imageID=caar2_002_avp.tif</a>