Taxon Report

Carex viridula Michx. ssp. viridula

green yellow sedge

Print Report


© 2015 Dana York

Species Description:
Carex viridula ssp. viridula, commonly known as green yellow sedge, is a perennial herb in the Cyperaceae that is found in California and elsewhere. It occurs within Bogs and fens, Marshes and swamps (freshwater), and North Coast coniferous forest (mesic), growing at elevations from 0 to 1600 meters. Carex viridula ssp. viridula is ranked 2B.3, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Not very threatened in California.

  Classification

Scientific Name:
Carex viridula Michx. ssp. viridula
Common Name:
green yellow sedge
Family: Cyperaceae
Element Code: PMCYP03EM5
USDA Plants Symbol: CAVIV
Synonyms/Other Names:

Ecology and Life History

Lifeform: perennial herb
Blooming Period: (Jun)Jul-Sep(Nov) (Jun)Jul-Sep(Nov)
Elevation: 0-1600 (0-5250)
General Habitats: Bogs and fens, Marshes and swamps, North Coast coniferous forest
Microhabitat:
Microhabitat Details:

Occurrence Data from the CNDDB

Total Occurrences: 8
Element Occurrence Ranks:
   Excellent (A) 0
   Good (B) 0
   Fair (C) 1
   Poor (D) 0
   None (X) 0
   Unknown (U) 7
California Endemic:  False
California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Mendocino (MEN), Siskiyou (SIS), Tuolumne (TUO)
Quads: Name (Quad Code)
China Mtn. (4112245), Crescent City (4112472), Gasquet (4112378), Inglenook (3912357), Lake Eleanor (3711987), Rodgers Peak (4112421), Sister Rocks (4112462), Smith River (4112482), Trinidad (4112412)

Threat List Data from the CNDDB

Threat List Total: 2
EOs with Threat Listed: Total EOs % of EOs
1 13 %
Altered flood/tidal/hydrologic regime 1 12%
Non-native plant impacts 1 12%

Selected References

Profile for potential SCC evaluation (2018)
Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 15 January 2025].