DISTRIBUTION AND OCCURRENCE
SPECIES: Juglans microcarpa | Little Walnut 



GENERAL DISTRIBUTION : 
Little walnut grows from southwestern Kansas through Oklahoma to central
New Mexico and Texas, south into northeastern Mexico [5,15,31].  In
Texas, little walnut grows from the valley of the Colorado River west to
the mountains of the Trans-Pecos [36].  The variety stewartii grows in
the Chisos Mountains of Texas and extends into Mexico [26].


ECOSYSTEMS : 
   FRES15  Oak - hickory
   FRES21  Ponderosa pine
   FRES28  Western hardwoods
   FRES31  Shinnery
   FRES32  Texas savanna


STATES : 
     AZ  KS  NM  OK  TX  MEXICO


ADMINISTRATIVE UNITS : 
     AMIS  BIBE  CACA  GUMO  LAME


BLM PHYSIOGRAPHIC REGIONS : 
    7  Lower Basin and Range
   13  Rocky Mountain Piedmont
   14  Great Plains


KUCHLER PLANT ASSOCIATIONS : 
   K060  Mesquite savanna
   K061  Mesquite - acacia savanna
   K062  Mesquite - live oak savanna
   K071  Shinnery
   K084  Cross Timbers
   K086  Juniper - oak savanna
   K087  Mesquite - oak savanna


SAF COVER TYPES : 
    66  Ashe juniper - redberry (Pinchot) juniper
    67  Mohrs ("shin") oak
    68  Mesquite
   235  Cottonwood - willow
   240  Arizona cypress


SRM (RANGELAND) COVER TYPES : 
NO-ENTRY


HABITAT TYPES AND PLANT COMMUNITIES : 
Texas walnut occurs abundantly in a number of riparian woodland
communities.  It is included as a dominant or indicator in the following
community type (cts) classifications:

 Area                Classification          Authority

TX: Brewster Co.     general veg. cts        Carignan 1988

NM, TX: Guadalupe    general veg. cts        Gehlbach 1967
   Escarpment

Southwest            riparian cts            Szaro 1990a

Southwest            riparian cts            Szaro 1990b      

TX: Brewster Co.     general veg. cts        Denyes 1956

Related categories for Species: Juglans microcarpa | Little Walnut