Juglans hindsii and Hybrids Forest & Woodland Special Stands and Semi-Natural Alliance
Hinds’s walnut and related stands

USDA Ecological Section Map

Summary Information

  • Primary Life FormTree
  • Elevation0-300 m
  • State RarityS1.1
  • Global RarityG1
  • DistributionUSA: CA, OR? (USDA Plants)
  • Endemic to CaliforniaYes
  • Invasive species rank See remarks
  • Endemic to California Floristic Province and DesertsYes
  • Date Added1995/11/01

Characteristic Species

Juglans hindsii or hybrids are dominant in the tree canopy with Populus fremontii, Quercus lobata and Salix gooddingii. Shrubs may include Salix exigua or Sambucus nigra.

Vegetation Layers

Trees < 25 m; canopy is intermittent to continuous. Shrub layer is open to intermittent. Herbaceous layer is sparse.

Membership Rules


Intermittently flooded or saturated riparian corridors; floodplains, stream banks, and terraces. Soils are alluvial. The USFWS Wetland Inventory (1996 national list) recognizes Juglans hindsii as a FAC plant.

Other Habitat, Alliance and Community Groupings

MCV (1995) Hind's walnut unique stands
NVCS (2009) Not treated
Calveg Non-native/ornamental hardwood, Riparian mixed hardwood, Black walnut
Holland Hinds walnut woodland
Munz Not treated
WHR Montane riparian
CDFW CA Code 61.810.00

National Vegetation Classification Hierarchy

Formation Class Mesomorphic Tree Vegetation (Forest and Woodland)
Formation Subclass Temperate Forest
Formation Temperate Flooded and Swamp Forest
Division Western North America Warm Temperate Flooded and Swamp Forest
Macro Group Southwestern North American Riparian, Flooded and Swamp Forest
Group Southwestern North American riparian evergreen and deciduous woodland