DV1

 
                        View at site 1                                                            Typical crust at site 1

Towne's Pass Pullout, Death Valley National Park, Inyo Co., California, USA.  36º23.945' N, 117º16.896' W; elevation 4956 feet.  Pullout on Highway at top of Pass, north side of the road.  Date of sampling:  14 July 1999 by Johansen, Kingsley, & Muller.

Dominants vascular plants at site:  Atriplex sp., Ceratoides lanata, Eriogonum inflatum, Ephedra sp., Sphaeralcea sp.

Mean algal crust thickness:  7.2 mm
Mean lichen crust thickness:  16.4 mm

Cover summary:

Type Cover                % Cover
Shrubs                              1.2
Annual grasses               0.0         
Perennial grasses           0.0
Perennial forbs               0.0
Algal crust                     39.2
Bryophytes                      1.6
Lichens                           12.4
Bare Soil                           5.2
Rock                                  6.8
Gravel                             31.6
Litter                                 2.0
Cactus                               0.0