Carex serratodens Provisional Herbaceous Alliance
Twotooth sedge seeps

Summary Information

  • Primary Life FormHerb
  • Elevation0-1800 m
  • State RarityS3?
  • Global RarityG3
  • DistributionUSA: AZ, CA, OR
  • Endemic to CaliforniaNo
  • Endemic to California Floristic Province and DesertsNo
  • Date Added2009/09/01

Characteristic Species

Carex serratodens is dominant or co-dominant in the herbaceous layer with Achillea millefolium, Asclepias fascicularis, Deschampsia danthonioides, Hordeum brachyantherum, Juncus arcticus, Juncus bufonius, Juncus occidentalis, Lotus purshianus, Mimulus guttatus and Sisyrinchium bellum. Emergent shrubs may be present at low cover, including Baccharis pilularis or Frangula californica.

Vegetation Layers

Herbs < 1.5 m; cover is continuous.


Seeps, springs, creeks, meadows. Soils are silty alluvium, usually derived from serpentine. The USFWS Wetland Inventory (1996 national list) recognizes Carex serratodens as a FACW plant.

Other Habitat, Alliance, and Community Groupings

MCV (1995) Sedge series
NVCS (2009) Not treated
Calveg Wet grasses and forbs
Holland Alkali seep, Freshwater swamp
Munz Freshwater marsh
WHR Wet meadow
CDFW CA Code 45.180.00