DISTRIBUTION AND OCCURRENCE
SPECIES: Tetradymia spinosa | Spiny Horsebrush 



GENERAL DISTRIBUTION : 
Spiny horsebrush is widespread throughout the Great Basin and adjacent
mountains.  It occurs from southeastern Oregon to southwestern Montana
and western Wyoming, south to northwestern New Mexico (San Juan County),
south-central Utah, Nevada, and eastern California (Lassen and Mono
counties).


ECOSYSTEMS : 
   FRES21  Ponderosa pine
   FRES26  Lodgepole pine
   FRES29  Sagebrush
   FRES30  Desert shrub
   FRES35  Pinyon - juniper
   FRES36  Mountain grasslands


STATES : 
     CA  CO  MT  NV  NM  OR  UT  WY


ADMINISTRATIVE UNITS : 
     ARCH  BICA  COLM  DINO  FOBU


BLM PHYSIOGRAPHIC REGIONS : 
    3  Southern Pacific Border
    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
   16  Upper Missouri Basin and Broken Lands


KUCHLER PLANT ASSOCIATIONS : 
   K022  Great Basin pine forest
   K023  Juniper - pinyon woodland
   K024  Juniper steppe woodland
   K038  Great Basin sagebrush
   K039  Blackbrush
   K040  Saltbush - greasewood
   K041  Creosotebush
   K051  Wheatgrass - bluegrass
   K053  Grama - galleta steppe
   K055  Sagebrush steppe
   K056  Wheatgrass - needlegrass shrubsteppe


SAF COVER TYPES : 
   220  Rocky Mountain juniper
   238  Western juniper
   239  Pinyon - juniper


SRM (RANGELAND) COVER TYPES : 
NO-ENTRY


HABITAT TYPES AND PLANT COMMUNITIES : 
Spiny horsebrush is a seral species and is not found as a dominant,
codominant, or indicator in any habitat types.  Throughout its range it
is associated with shadscale, sagebrush, cresote, ponderosa pine, and
pinyon-juniper vegetation types [11].

Related categories for Species: Tetradymia spinosa | Spiny Horsebrush