Carex congdonii Provisional Herbaceous Alliance
Congdon’s sedge talus

Summary Information

  • Primary Life FormHerb
  • Elevation2600-3700 m
  • State RarityS2
  • Global RarityG2
  • DistributionUSA: CA (NRCS) (Calflora), NV?
  • Endemic to CaliforniaNo
  • Endemic to California Floristic Province and DesertsYes
  • Date Added2009/09/01

Characteristic Species

Carex congdonii is characteristically present in the herbaceous layer with Arnica amplexicaulis. Emergent shrubs may be present at low cover, including Sambucus racemosa.

Vegetation Layers

Herbs < 90 cm; cover is open.


Talus and outcrops. Soils are rocky or sandy.

Other Habitat, Alliance, and Community Groupings

MCV (1995) Alpine habitat
NVCS (2009) Not treated
Calveg Perennial grasses and forbs
Holland Sierra Nevada fell-field, Dry alpine talus and scree slope
Munz Alpine fell-fields
WHR Alpine dwarf-shrub
CDFW CA Code 45.160.00