DISTRIBUTION AND OCCURRENCE
SPECIES: Selaginella densa | Little Clubmoss 



GENERAL DISTRIBUTION : 
The range of little clubmoss extends south from the Alaska panhandle to
northwest California and east into Manitoba and the Dakotas.  It is
common on the Great Plains and in the Rocky Mountains it grows as far
south as eastern Utah and Arizona, New Mexico and Trans-Pecos Texas
[13,27].  The distributions of the varieties of little clubmoss are as
follows [13,26,27,42]:

    S. d. var. densa is the characteristic variety found on the northern Great Plains.  It may occasionally extend into western Montana, southwest
Alberta and southeast British Columbia.  Further south it is found in
the mountains of Colorado and the LaSal Mountains of Utah.

    S. d. var. scopulorum is the common  variety in the mountains of the
Northern Rocky Mountain Region through the LaSal and Uinta mountains of
eastern Utah to west Texas.  It is also found from British Columbia to
northern California.  It is less common in the mountains of Colorado.

    S. d. var. standleyi is uncommon and found only above timberline in the
northern Rocky Mountains.


ECOSYSTEMS : 
   FRES10  White - red - jack pine
   FRES20  Douglas-fir
   FRES21  Ponderosa pine
   FRES23  Fir - spruce
   FRES26  Lodgepole pine
   FRES29  Sagebrush
   FRES30  Desert shrub
   FRES34  Chaparral - mountain shrub
   FRES35  Pinyon - juniper
   FRES36  Mountain grasslands
   FRES38  Plains grasslands
   FRES39  Prairie
   FRES40  Desert grasslands
   FRES44  Alpine


STATES : 
     AZ  CA  CO  KS  MT  NE  NM  ND  OK  OR
     SD  UT  WA  WY  AB  BC  MB  SK


ADMINISTRATIVE UNITS : 
     BICA  BLCA  COLM  DETO  FLFO  GLAC
     GRTE  ROMO  THRO  WICA  YELL


BLM PHYSIOGRAPHIC REGIONS : 
    1  Northern Pacific Border
    2  Cascade Mountains
    4  Sierra Mountains
    5  Columbia Plateau
    8  Northern Rocky Mountains
    9  Middle Rocky Mountains
   10  Wyoming Basin
   11  Southern Rocky Mountains
   12  Colorado Plateau
   13  Rocky Mountain Piedmont
   14  Great Plains
   15  Black Hills Uplift
   16  Upper Missouri Basin and Broken Lands


KUCHLER PLANT ASSOCIATIONS : 
   K007  Red fir forest
   K008  Lodgepole pine - subalpine forest
   K011  Western ponderosa forest
   K012  Douglas-fir forest
   K015  Western spruce - fir forest
   K016  Eastern ponderosa forest
   K017  Black Hills pine forest
   K018  Pine - Douglas-fir forest
   K019  Arizona pine forest
   K020  Spruce - fir - Douglas-fir forest
   K021  Southwestern spruce - fir forest
   K023  Juniper - pinyon woodland
   K037  Mountain mahogany - oak scrub
   K038  Great Basin sagebrush
   K039  Blackbrush
   K040  Saltbush - greasewood
   K051  Wheatgrass - bluegrass
   K052  Alpine meadows and barren
   K055  Sagebrush steppe
   K056  Wheatgrass - needlegrass shrubsteppe
   K057  Galleta - three-awn shrubsteppe
   K063  Foothills prairie
   K064  Grama - needlegrass - wheatgrass
   K065  Grama - buffalograss
   K066  Wheatgrass - needlegrass
   K067  Wheatgrass - bluestem - needlegrass
   K070  Sandsage - bluestem prairie
   K095  Great Lakes pine forest


SAF COVER TYPES : 
     1  Jack pine
   205  Mountain hemlock
   206  Engelmann spruce - subalpine fir
   207  Red fir
   208  Whitebark pine
   209  Bristlecone pine
   210  Interior Douglas-fir
   218  Lodgepole pine
   219  Limber pine
   220  Rocky Mountain juniper
   237  Interior ponderosa pine
   238  Western juniper
   239  Pinyon - juniper


SRM (RANGELAND) COVER TYPES : 
NO-ENTRY


HABITAT TYPES AND PLANT COMMUNITIES : 
In the Great Plains grasslands of southern Canada and the northern
United States, little clubmoss can be a dominant in three of the five
major grass associations: the short-grass prairie, mixed prairie and
fescue (Festuca scabrella) prairie [7,9].  At higher elevations in
Glacier Park, it codominates with Idaho fescue (F. idahoensis) in a
climax grassland association [48].  In the Custer National Forest of
Montana, North and South Dakota and the Theodore Roosevelt National Park
of North Dakota, little clubmoss is rare outside of the needle and
thread grass (Stipa comata)/threadleaf sedge (Carex filifolia) habitat
type where it is an important species [24,25].  Published classification
schemes listing little clubmoss as an indicator species or a dominant
part of vegetation in plant associations (pas) are presented below:

Area                    Classification        Authority

Region 2: CO,NE,KS,     general veg. pas      Johnston 1987
 SD,WY

Related categories for Species: Selaginella densa | Little Clubmoss