CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record rhynchospora_californica - Fri, Nov. 26, 2021 22:21 ET c
Rhynchospora californica
common nameCalifornia beaked-rush
CalPhotos image
more photos
© 2002 Kristiaan Stuart  Follow image link for photo data.
life form rhizomatous herb
CA Rare Plant Rank
List 1B.1
LIST 1B: Rare, threatened, or endangered in California and elsewhere.
     0.1: Seriously endangered in California
state rank
S1      ranking system key
global rank
G1     G1: Less than 6 occurrences OR less than 1,000 individuals OR less than 2,000 acres.
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (8):
Ascension Mountain (456C) 3711978, Jawbone Ridge (457D) 3712071, Drakes Bay (485C) 3812218, Mount George (499C) 3812232, Sebastopol (502A) 3812247, Two Rock (502D) 3812237, Paradise West (592C) 3912176, Richardson Springs (593D) 3912177
quad data info

Counties, states, regions:
Butte (BUT), Marin (MRN), Napa (NAP), Sonoma (SON)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Bogs and fens (BgFns)
•Lower montane coniferous forest (LCFrs)
•Meadows and seeps (Medws)(seeps)
•Marshes and swamps (MshSw)(freshwater)
blooming period May-Jul  
elevation range45 - 1010 meters
Threatened by marsh habitat loss. See Rhodora 46:272-273 (1944) for original description, and Madroņo 33(2):150 (1986) for information on BUT Co. collection.
full nameRhynchospora californica Gale
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  RHCA10 Element Code  PMCYP0N060
CalFlora species this taxon    CalFlora genus related taxa
Jepson Online Jepson Interchange  Jepson Manual and other resources
Google search
search Google CNPS website    search Google entire web

Suggested citation: California Native Plant Society (CNPS). 2018. Inventory of Rare and Endangered Plants (online edition, v7-18mar). California Native Plant Society. Sacramento, CA. Accessed on Fri, Nov. 26, 2021 from

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