Cyperus erythrorhizos

red-rooted cyperus
Family:Cyperaceae

Rarity

CNPS-EB: B

8 current natural populations

Criteria:
  • Limited/Threatened Habitat

Ecology

Flowers July - October
Habitats:
  • Riparian

All Cyperus

  • C. erythrorhizos
  • C. niger (A2)
  • C. odoratus (A1)
  • C. strigosus (A1)
  • Populations

    Key
    LocationPop IDLast RecordedNotes
    Chabot Rgnl Park42004-11-20
    San Leandro Creek South - EBMUD72006-09-27
    San Pablo Reservoir - EBMUD82005-10-12
    San Pablo Reservoir - EBMUD92020-10-17
    San Pablo Reservoir - EBMUD132021-09-04
    San Pablo Reservoir - EBMUD142022-08-20
    San Pablo Reservoir - EBMUD152021-08-09
    Tilden Rgnl Park - Jewel Lake/Nature area162021-09-11
    Berkeley Shoreline11940-09-09Historic
    Bethel Island21998-12-31Historic
    Browns Island31978-12-31Historic
    Cull Canyon Rgnl Park102001-09-18ID Uncertain
    Hercules Shoreline51980-08-26Historic
    Lafayette Reservoir - EBMUD61991-09-22Historic
    Niles Canyon area122004-07-24ID Uncertain