DISTRIBUTION AND OCCURRENCE
SPECIES: Echinocereus triglochidiatus | Hedgehog Cactus 



GENERAL DISTRIBUTION : 
Hedgehog cactus is distributed from Nevada, Utah, and Colorado south to
southern California, Arizona, New Mexico, Texas, and Mexico [3,20].


ECOSYSTEMS : 
   FRES21  Ponderosa pine
   FRES29  Sagebrush
   FRES30  Desert shrub
   FRES32  Texas savanna
   FRES33  Southwestern shrubsteppe
   FRES34  Chaparral - mountain shrub
   FRES35  Pinyon - juniper
   FRES38  Plains grasslands
   FRES40  Desert grasslands


STATES : 
     AZ  CA  CO  NV  NM  TX  UT  MEXICO


ADMINISTRATIVE UNITS : 
     AMIS  ARCH  BIBE  BLCA  CACH  CANY
     CARE  CACA  CHIR  COLM  DEVA  DINO
     GLCA  GRCA  GRSA  GUMO  JOTR  LAME
     MEVE  NABR  ORPI  SAGU  WACA  WHSA
     ZION


BLM PHYSIOGRAPHIC REGIONS : 
    6  Upper Basin and Range
    7  Lower Basin and Range
   11  Southern Rocky Mountains
   12  Colorado Plateau
   13  Rocky Mountain Piedmont
   14  Great Plains


KUCHLER PLANT ASSOCIATIONS : 
   K018  Pine - Douglas-fir forest
   K019  Arizona pine forest 
   K023  Juniper - pinyon woodland
   K027  Mesquite bosque
   K031  Oak - juniper woodlands
   K032  Transition between K031 and K037
   K037  Mountain-mahogany - oak scrub
   K038  Great Basin sagebrush
   K039  Blackbrush
   K040  Saltbush - greasewood
   K041  Creosotebush
   K042  Creosotebush - bursage
   K043  Paloverde - cactus shrub
   K044  Creosotebush - tarbush
   K046  Desert: vegetation largely lacking
   K053  Grama - galleta steppe
   K054  Grama - tobosa prairie
   K057  Galleta - three-awn shrubsteppe
   K058  Grama - tobosa shrubsteppe
   K059  Trans-Pecos shrub savanna
   K060  Mesquite savanna
   K061  Mesquite - acacia savanna
   K062  Mesquite - live oak savanna
   K065  Grama - buffalograss
   K086  Juniper - oak savanna
   K087  Mesquite - oak savanna


SAF COVER TYPES : 
    66  Ashe juniper - redberry (Pinchot) juniper
    68  Mesquite
   220  Rocky Mountain juniper
   237  Interior ponderosa pine
   239  Pinyon - juniper
   241  Western live oak
   242  Mesquite


SRM (RANGELAND) COVER TYPES : 
NO-ENTRY


HABITAT TYPES AND PLANT COMMUNITIES : 
Hedgehog cactus is not listed as a dominant or codominant species in
available publications.  Habitats in which the varieties of hedgehog
cactus are typically found follow [3,5,13,17,26]:

Rocky Mountain montane forest--E. t. var. melanacanthus, E. t. var.
  mojavensis (lower elevations)
Southwestern oak woodland--E. t. var. melanacanthus, E. t. var.
  neomexicanus, E. t. var. arizonicus
Great Basin Desert--E. t. var. melanacanthus
Desert grassland--E. t. var. melanacanthus, E. t. var. neomexicanthus,
  E. t. var. gurneyi
Great Plains grassland--E. t. var. melanacanthus
Northern pinyon-juniper woodland--E. t. var. mojavensis
Southern pinyon-juniper woodland--E. t. var. neomexicanthus, 
  E. t. var. triglochidiatus, E. t. var. melanacanthus 
California chaparral--E. t. var. mojavensis (desert edge) 
Southwestern chaparral--E. t. var. melanacanthus, E. t. var. arizonicus 
Mojave Desert--E. t. var. mojavensis 
Chihuahuan Desert--E. t. var. gurneyi, E. t. var. paucispinus

Related categories for Species: Echinocereus triglochidiatus | Hedgehog Cactus