Species Details

Carex sheldonii

Sheldon's sedge

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Photo of Carex sheldonii
©2015 Steve Matson
Photo of Carex sheldonii
©2015 Steve Matson
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G4
State Rank:
S2
Other Status:
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
Add Date: 1980-01-01
Date Edited: 2023-07-07
Lifeform: perennial rhizomatous herb
Blooming Period: May-Aug
JFMAMJJASOND
Elevation:
1200 - 2012 meters
3935 - 6600 feet
General Habitats:
  • Lower montane coniferous forest (mesic)
  • Marshes and swamps (freshwater)
  • Riparian scrub
Microhabitat Details:
Microhabitat:
Notes:
Need quads for PLA Co. Threatened by grazing. Possibly threatened by road maintenance. On review list in ID.
Threats:
Taxonomy:
Threat List Total: 13
Total EOs % of EOs
EOs with Threat Listed: 35 73 %
THREAT LIST:
Grazing 14 29%
Non-native plant impacts 12 25%
Road/trail construction/maint. 11 22%
Other 5 10%
ORV activity 3 6%
Total Occurrences: 48
Element Occurrence Ranks:
A B C D X U
3 10 6 1 1 27
Occurrence Status:
Historical >20 Years 24
Recent <=20 Years 24
Presence:
Presumed Extant 47
Possibly Extirpated 1
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA), Idaho (ID), Nevada (NV), Oregon (OR), Utah (UT), Washington (WA)
California Counties and Islands: Name (Code)
Lassen (LAS), Modoc (MOD), Placer (PLA), Plumas (PLU)
Quads: Name (Quad Code)
Adin (4112028), Alturas (4112045), Antelope Lake (4012025), Babcock Peak (4012015), Big Swamp (4112121), Blairsden (3912075), Caribou (4012112), Cold Spring Mtn. (4112013), Crescent Mills (4012018), Crocker Mtn. (3912084), Donica Mtn. (4112132), Dutch Flat (3912027), Genesee Valley (4012016), Greenville (4012028), Grizzly Valley (3912085), Halls Canyon (4112131), Infernal Caverns (4112035), Janesville (4012035), Jess Valley (4112023), Johnsville (3912076), Kettle Rock (4012026), Lane Reservoir (4112017), Likely (4112025), Portola (3912074), Soup Creek (4112033), Susanville (4012046), Westwood East (4012038)
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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