DISTRIBUTION AND OCCURRENCE
SPECIES: Berberis nervosa | Dwarf Oregon-Grape 



GENERAL DISTRIBUTION : 
Dwarf Oregon-grape occurs west of the Cascade Ranges and the Sierra
Nevada from southern British Columbia through Washington and Oregon to
central California [47].


ECOSYSTEMS : 
   FRES20  Douglas-fir
   FRES21  Ponderosa pine
   FRES22  Western white pine
   FRES23  Fir - spruce
   FRES24  Hemlock - Sitka spruce
   FRES27  Redwood
   FRES28  Western hardwoods


STATES : 
     CA  ID  OR  WA  BC


ADMINISTRATIVE UNITS : 
     LACH  MORA  MOSA  NOCA  OLYM


BLM PHYSIOGRAPHIC REGIONS : 
    1  Northern Pacific Border
    2  Cascade Mountains
    3  Southern Pacific Border


KUCHLER PLANT ASSOCIATIONS : 
   K002  Cedar - hemlock - Douglas-fir forest
   K003  Silver fir - Douglas-fir forest
   K005  Mixed conifer forest
   K006  Redwood forest
   K007  Red fir forest
   K013  Cedar - hemlock - pine forest
   K026  Oregon oakwoods
   K029  California mixed evergreen forest
   K030  California oakwoods


SAF COVER TYPES : 
   207  Red fir
   211  White fir
   213  Grand fir
   215  Western white pine
   221  Red alder
   224  Western hemlock
   225  Western hemlock - Sitka spruce
   226  Coastal true fir - hemlock
   227  Western redcedar - western hemlock
   228  Western redcedar
   229  Pacific Douglas-fir
   230  Douglas-fir - western hemlock
   231  Port-Orford cedar
   232  Redwood
   233  Oregon white oak
   234  Douglas-fir - tanoak - Pacific madrone
   244  Pacific ponderosa - Douglas-fir 
   246  California black oak
   247  Jeffrey pine
   249  Canyon live oak


SRM (RANGELAND) COVER TYPES : 
NO-ENTRY


HABITAT TYPES AND PLANT COMMUNITIES : 
Dwarf Oregon-grape is an understory dominant in montane to submontane
coniferous and mixed evergreen forests of the Pacific Northwest.
Oceanspray (Holodiscus discolor), Alaska huckleberry (Vaccinium
alaskaense), salal (Gaultheria shallon), pachistima (Pachistima
myrsinites), western swordfern (Polystichum munitum), Pacific
rhododendron (Rhododendron macrophyllum), Sadler oak (Quercus
sadleriana), twinflower (Linnaea borealis), deerfoot vanillaleaf (Achyls
triphylla), Oregon oxalis (Oxalis oregana), and vine maple (Acer
circinatum) occur as codominants within the forest understory.  Dwarf
Oregon-grape is listed as an indicator or dominant in the following
publications:

Forest types of the North Cascades National Park Service Complex [2]
The tanoak series of the Siskiyou region of southwest Oregon (Part 2) [6] 
Preliminary plant associations of the Siskiyou Mountain Province [5]
Plant association and management guide for the Pacific silver fir zone:
  Gifford Pinchot National Forest [11]
Natural vegetation of Oregon and Washington [24]
Understory development in Pseudotsuga forests: multiple paths of
  succession [33]
Forest succession on alluvial landforms of the MacKenzie River Valley,
  Oregon [39]
Plant communities in the old-growth forests of north coastal Oregon [44] 
Forest ecosystems of Mount Rainier National Park [68]
Mixed evergreen forest [78].

Related categories for Species: Berberis nervosa | Dwarf Oregon-Grape