Cyperus niger

black sedge
Family:Cyperaceae

Rarity

CNPS-EB: A2

6 current natural populations

Criteria:
  • Narrow Range in ALA & CCA

Ecology

Flowers July - November
Habitats:
  • Miscellaneous
  • Miscellaneous Wetlands

All Cyperus

  • C. erythrorhizos (B)
  • C. niger
  • C. odoratus (A1x)
  • C. strigosus (A1)
  • Synonyms

    • Cyperus diandrus var. castaneus
    • Cyperus niger var. capitatus
    • Cyperus niger var. castaneus

    Populations

    Key
    LocationPop IDLast RecordedNotes
    Antioch Dunes12001-08-04
    Diablo Foothills Rgnl Park22000-07-16
    Mt. Diablo State Park - South side112022-10-15
    Mt. Diablo State Park - West side102022-05-14
    Mt. Diablo State Park - West side122021-10-03
    Mt. Diablo State Park - West side132024-02-16
    Don Castro Reservoir82001-06-11ID Uncertain
    Los Vaqueros Watershed71988-12-31Historic
    Mt. Diablo State Park - South side31996-10-25Historic
    Mt. Diablo State Park - West side41952-10-02Historic
    Mt. Diablo State Park - West side51930-10-04Historic
    Mt. Diablo State Park - West side61932-11-11Historic
    Niles Canyon area92004-07-24ID Uncertain