Cyperus difformis  L.

Ubiquity:  Uncommon

Distritution:  Reported from Tulucay, Napa Jct., Mt. George & Weeks Lake in Pope Valley

Plant Communities:  Riparian

Habitats:  Wet, sunny ditches/springs; in alluvial formations

Elevations:  60-1000'?

Comments:  Non-native.  Collection needed

Updated:  2/26/98

Cyperus eragrostis Lam.

Ubiquity:  (Very?) common

Distritution:  Throughout

Plant Communities:  Many including Riparian (& Ruderal?)

Habitats:  Moist, sunny, streamsides or banks or beds/pond or lake sides/ditches/springs or seeps/seasonal drainages/swales; in alluvial formations

Elevations:  10-2250'

Comments:  

Updated:  2/26/98

Cyperus erythrorhizos  Muhl.

Ubiquity:  (Very?) uncommon

Distritution:  Lake Hennessey

Plant Communities:  Riparian

Habitats:  MOist, sunny ditches/riverbanks/lake shores; in alluvial formations

Elevations:  300'

Comments:  

Updated:  2/26/98

Cyperus niger  R. & P./L. & P.?

Ubiquity:  (Very?) uncommon?

Distritution:  Soda Canyon, Wildhorse Valley

Plant Communities:  Riparian

Habitats:  Moist to wet, sunny, marshy ditches; & in disturbed areas (like fields?); in alluvial formations

Elevations:  700-1360'

Comments:  

Updated:  2/26/98

Cyperus squarrosus  L.

Ubiquity:  (Very?) uncommon

Distritution:  

Plant Communities:  Riparian, (Regular Chaparral?), Creaters Region

Habitats:  Moist, sunny, rocky, pond edges

Elevations:  2200'

Comments:  = C. aristatus.  Collection needed

Updated:  2/26/98