DISTRIBUTION AND OCCURRENCE
SPECIES: Hedysarum alpinum var. americanum | American Sweetvetch 



GENERAL DISTRIBUTION : 
American sweetvetch is a circumpolar species.  In the western
hemisphere, it occurs from Alaska through western Canada to British
Columbia and Saskatchewan, south to north-central Montana, Wyoming, and
South Dakota.  It also occurs as far east as Labrador and New England
[20,21].


ECOSYSTEMS : 
   FRES11  Spruce - fir
   FRES23  Fir - spruce
   FRES26  Lodgepole pine
   FRES36  Mountain grasslands
   FRES37  Mountain meadows
   FRES44  Alpine


STATES : 
     AK  MA  ME  MT  ND  SD  VT  WY  AB  BC
     NT  SK  YT


ADMINISTRATIVE UNITS : 
     DENA  GLAC  LACL  WRST


BLM PHYSIOGRAPHIC REGIONS : 
    8  Northern Rocky Mountains
    9  Middle Rocky Mountains
   16  Upper Missouri Basin and Broken Lands


KUCHLER PLANT ASSOCIATIONS : 
   K008  Lodgepole pine - subalpine forest
   K015  Western spruce - fir forest
   K050  Fescue - wheatgrass
   K052  Alpine meadows and barren


SAF COVER TYPES : 
   201  White spruce
   202  White spruce - paper birch
   204  Black spruce
   206  Engelmann spruce - subalpine fir
   218  Lodgepole pine
   251  White spruce - aspen
   253  Black spruce - white spruce


SRM (RANGELAND) COVER TYPES : 
NO-ENTRY


HABITAT TYPES AND PLANT COMMUNITIES : 
American sweetvetch has been listed as a dominant in a plant association
in the following classification:

The vegetation of Alberta [16] 

Associated spceies:  American sweetvetch commonly occurs wih American
green alder (Alnus viridis ssp. crispa), bog birch (Betula glandulosa),
tufted hairgrass (Deschampsia caespitosa), Bering hairgrass (D.
beringensis), rough fescue (Festuca scabrella), northern bedstraw
(Galium boreale), shrubby cinquefoil (Potentilla fruticosa), balsam
poplar (Populus balsamifera), lodgepole pine (Pinus contorta), white
spruce (Picea glauca), and willows (Salix spp.)  [3,4,7,11,16,17].

Related categories for Species: Hedysarum alpinum var. americanum | American Sweetvetch