Quercus parvula var. shrevei Provisional Forest Alliance
Shreve oak forests

Summary Information

  • Primary Life FormTree
  • Elevation100-800 m
  • State RarityS2
  • Global RarityG2
  • DistributionUSA: CA (USDA Plants)
  • Endemic to CaliforniaYes
  • Endemic to California Floristic Province and DesertsYes
  • Date Added2009/09/01

Characteristic Species

Quercus parvula var. shrevei is dominant in the tree canopy with Acer macrophyllum, Arbutus menziesii, Notholithocarpus densiflorus, Pseudotsuga menziesii, Quercus agrifolia, Sequoia sempervirens and Umbellularia californica.

Vegetation Layers

Trees < 30 m, canopy is intermittent to continuous. Shrub and herb layers are sparse to intermittent.


Mesic lower to mid slopes. Soils are moderately drained and usually derived from mudstone or siltstone.

Other Habitat, Alliance, and Community Groupings

MCV (1995) Interior live oak series
NVCS (2009) Not treated
Calveg Shreve oak
Holland Mixed evergreen forest
Munz Mixed evergreen forest
WHR Coastal oak woodland
CDFW CA Code 71.085.00