Foto n. 67897 - Douglas' sedge (Carex douglasii)
USDA-NRCS PLANTS Database / 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. - Not copyrighted image
File size: 23636 bytes - Views: 258

Foto n. 67896 - Douglas' sedge (Carex douglasii)
USDA-NRCS PLANTS Database / 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. - Not copyrighted image
File size: 22062 bytes - Views: 252

Foto n. 63817 - Douglas' sedge (Carex douglasii)
Robert H. Mohlenbrock USDA-NRCS PLANTS Database / USDA NRCS. 1992. Western wetland flora: Field office guide to plant species. West Region, Sacramento. - Not copyrighted image
File size: 76758 bytes - Views: 272

Foto n. 8435 - Douglas' sedge (Carex douglasii)
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 1: 363.
File size: 33890 bytes - Views: 354