KB1

Kuna Butte, Ada County, Idaho, USA.  Approximately 10 km south of Kuna along Swan Falls Road.  43º 26.401' N latitude, 116º 25.870' W longitude; elevation 3000 feet.   Date of sampling: 28 June 1999 and 1 July 1999. 

Dominant vascular plants:  Artemisia tridentata ssp. wyomingensis, Lepidium perfoliatum, Descarania altissima/officinalis, Bromus tectorum, Poa seccinda/sandbergii, Sitantion hystrix.

Bryophytes:  Ceratodon purpureus, Bryum lisae (dominant) , Bryum argenteum.

Mean lichen crust thickness: 15.0 mm
Mean moss crust thickness: 18.8 mm

Cover summary:

Type Cover                % Cover
Shrubs                               0.0
Annual grasses                0.0    
Perennial grasses            9.6
Perennial forbs                0.4
Algal crust                        0.0
Bryophytes                     46.0
Lichens                            18.0
Bare Soil                            2.0
Rock                                   0.0
Gravel                                0.4 
Litter                                23.6
Cactus                                0.0

Chlorophyll a (ng/g):  6193.13
N fixation rate (mmole/n2/m2/hr): 70.55
Soil texture class:  silt loam