DISTRIBUTION AND OCCURRENCE
SPECIES: Salix arbusculoides | Littletree Willow 



GENERAL DISTRIBUTION : 
Littletree willow occurs in central Alaska, the Yukon Territory and
adjacent Northwest Territories eastward throughout the boreal forest to
Hudson Bay.  It extends southward in the eastern Rocky Mountains to
northeastern British Columbia, northern Alberta, Saskatchewan, and
Manitoba.  Littletree willow does not occur in the contiguous United
States [2,3,25].


ECOSYSTEMS : 
   FRES11  Spruce - fir
   FRES19  Aspen - birch
   FRES20  Douglas-fir
   FRES26  Lodgepole pine
   FRES44  Alpine


STATES : 
     AK  AB  BC  MB  NT  SK  YT


ADMINISTRATIVE UNITS : 
     DENA  GLBA  LACL  WRST  YUCH


BLM PHYSIOGRAPHIC REGIONS : 
NO-ENTRY


KUCHLER PLANT ASSOCIATIONS : 
   K012  Douglas-fir forest
   K052  Alpine meadows and barren


SAF COVER TYPES : 
   201  White spruce
   202  White spruce - paper birch
   203  Balsam poplar
   204  Black spruce
   210  Interior Douglas-fir
   217  Aspen
   218  Lodgepole pine
   251  White spruce - aspen
   252  Paper birch
   253  Black spruce - white spruce


SRM (RANGELAND) COVER TYPES : 
NO-ENTRY


HABITAT TYPES AND PLANT COMMUNITIES : 
Littletree willow is one of the most common early seral willows that
dominate or codominate communities along streams and rivers in interior
Alaska. Published classifications describing littletree willow as a
dominant or codominant in community types are listed below:

    Subarctic community types of the Northwest Territories.  [20]
    Upland boreal community types of the Northwest Territories.  [9]

Related categories for Species: Salix arbusculoides | Littletree Willow