CNPS.ORG Inventory of Rare and Endangered Plants - 7th edition interface
v7-18mar 3-19-18
Status: record carex_sheldonii - Thu, Dec. 2, 2021, 11:50 ET b
Carex sheldonii
common nameSheldon's sedge
CalPhotos image
more photos
© 2003 Steve Matson  Follow image link for photo data.
life form rhizomatous herb
CA Rare Plant Rank
List 2B.2
LIST 2B: Rare, threatened, or endangered in California, but more common elsewhere.
     0.2: Fairly endangered in California
state rank
S2      ranking system key
global rank
G4     G4: apparently secure, but some concern
Where did the "RED" code go?
CA state listingNone  
federal listingNone  
where found
MAPS - Use v8 link below.

Topographic quads (25):
Dutch Flat (541A) 3912027, Crocker Mountain (587B) 3912084, Portola (587C) 3912074, Grizzly Valley (588A) 3912085, Johnsville (588C) 3912076, Blairsden (588D) 3912075, Antelope Lake (604A) 4012025, Kettle Rock (604B) 4012026, Genesee Valley (604C) 4012016, Babcock Peak (604D) 4012015, Greenville (605B) 4012028, Crescent Mills (605C) 4012018, Caribou (606C) 4012112, Janesville (622D) 4012035, Westwood East (623C) 4012038, Cold Spring Mountain (674D) 4112013, Likely (675A) 4112025, Lane Reservoir (676D) 4112017, Big Swamp (677A) 4112121, Lookout (677B) 4112122, Soup Creek (691D) 4112033, Alturas (692A) 4112045, Infernal Caverns (692D) 4112035, Donica Mountain (694C) 4112132, Halls Canyon (694D) 4112131
quad data info

Counties, states, regions:
Lassen (LAS), Modoc (MOD), Placer (PLA), Plumas (PLU), Idaho (ID), Nevada (NV), Oregon (OR), Utah (UT), Washington (WA)
A reminder: Species not recorded for a given area may nonetheless be present, especially where favorable conditions occur.
CNPS habitats•Lower montane coniferous forest (LCFrs)(mesic)
•Marshes and swamps (MshSw)(freshwater)
•Riparian scrub (RpScr)
blooming period May-Aug  
elevation range1200 - 2012 meters
Need quads for PLA Co. Threatened by grazing. Possibly threatened by road maintenance. On review list in ID.
full nameCarex sheldonii Mkze.
Version 8    INVENTORY VERSION 8 interface for this taxon, including GIS and more links

Additional information:
standard acronym  CASH Element Code  PMCYP03CE0
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 Thu, Dec. 2, 2021 from

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