DISTRIBUTION AND OCCURRENCE
SPECIES: Elymus lanceolatus | Thickspike Wheatgrass 



GENERAL DISTRIBUTION : 
Thickspike wheatgrass occurs from Alaska east and south across Canada,
south throughout the western United States and Mexico, in the Great
Plains south to Kansas, and in the eastern United States as far south as
West Virginia.  It is best adapted to the northern Intermountain West
and the drier areas of the Pacific Northwest where it is the most widely
distributed sod-forming grass [7,22,23,34,36,41].


ECOSYSTEMS : 
   FRES21  Ponderosa pine
   FRES23  Fir - spruce
   FRES29  Sagebrush
   FRES30  Desert shrub
   FRES34  Chaparral - mountain shrub
   FRES35  Pinyon - juniper
   FRES36  Mountain grasslands
   FRES38  Plains grasslands


STATES : 
     AK  AZ  CA  CO  HI  IL  IN  IA  KS  KY
     MI  MN  MO  MT  NV  NM  ND  OH  OR  SD
     UT  WA  WV  WI  WY  AB  BC  MB  ON  PQ
     SK  MEXICO


ADMINISTRATIVE UNITS : 
     BLCA  BRCA  CODA  DINO  FOBU  GLAC
     GRTE  GRBA  LABE  SAJH  SCBL  SLBE
     THRO  WICA  YELL  ZION


BLM PHYSIOGRAPHIC REGIONS : 
    4  Sierra Mountains
    5  Columbia Plateau
    6  Upper Basin and Range
    7  Lower Basin and Range
    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 : 
   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
   K021  Southwestern spruce - fir forest
   K023  Juniper - pinyon woodland
   K037  Mountain mahogany - oak scrub
   K038  Great Basin sagebrush
   K040  Saltbrush - greasewood
   K051  Wheatgrass - bluegrass
   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 prairie
   K098  Northern floodplain forest


SAF COVER TYPES : 
   220  Rocky Mountain juniper
   237  Interior ponderosa pine


SRM (RANGELAND) COVER TYPES : 
NO-ENTRY


HABITAT TYPES AND PLANT COMMUNITIES : 
Thickspike wheatgrass is a codominant or indicator species in many
habitat types in sagebrush-grassland vegetation.  It is found in
communities with Indian ricegrass (Oryzopsis hymenoides), sand dropseed
(Sporobolus cryptandrus), big sagebrush (Artemisia tridentata), prairie
sandreed (Calamovilfa longifolia), bluebunch wheatgrass (Pseudoroegernia
spicata), Idaho fescue (Festuca idahoensis), and needlegrass (Stipa
spp.) [40].  Thickspike wheatgrass is named as a dominant in the
following vegetation classifications:

Climax vegetation of Montana based on soils and climate [31]
Plant associations (habitat types) of Region 2., 3rd ed. [37]

Related categories for Species: Elymus lanceolatus | Thickspike Wheatgrass