Species Details

Carex limosa

mud sedge

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Photo of Carex limosa
Steve Matson 2009
Photo of Carex limosa
Steve Matson 2009
Photo of Carex limosa
Dean Wm. Taylor 2017
CA Rare Plant Rank: 2B.2
Fed List: None
State List: None
Global Rank: G5
State Rank:
Other Status: IUCN_LC
CRPR Changes:
changed from 2.2 to 2B.2 on 2013-06-12
Add Date: 1994-01-01
Date Edited: 2021-10-04
Lifeform: perennial rhizomatous herb
Blooming Period: Jun-Aug
1200 - 2700 meters
3935 - 8860 feet
General Habitat:
  • Bogs and fens
  • Lower montane coniferous forest
  • Meadows and seeps
  • Marshes and swamps
  • Upper montane coniferous forest
General Micro Habitat:
Micro Habitat:
Possibly more widespread in the Sierra Nevada. Threatened by grazing and vehicles. Potentially threatened by logging. Similar to C. buxbaumii.
Total Occurrences: 40
Element Occurrence Ranks:
9 5 0 2 0 24
Occurrence Status:
Historical >20 Years 18
Recent <=20 Years 22
Presumed Extant 40
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
Alaska (AK), California (CA), Colorado (CO), Connecticut (CT), Delaware (DE)*, Idaho (ID), Illinois (IL), Indiana (IN), Iowa (IA), Maine (ME), Massachusetts (MA), Michigan (MI), Minnesota (MN), Montana (MT), Nebraska (NE), Nevada (NV), New Hampshire (NH), New Jersey (NJ), New Mexico (NM), New York (NY), North Dakota (ND), Ohio (OH), Oregon (OR), Pennsylvania (PA), Rhode Island (RI)*, Utah (UT), Vermont (VT), Washington (WA), Wisconsin (WI), Wyoming (WY)
California Counties and Islands: Name (Code)
Butte (BUT), El Dorado (ELD), Fresno (FRE), Lassen (LAS), Mariposa (MPA), Nevada (NEV), Plumas (PLU), Siskiyou (SIS), Tehama (TEH), Tuolumne (TUO)
Quads: Name (Quad Code)
Ackerson Mtn. (3711977), Almanor (4012122), Belden (4012113), Bucks Lake (3912182), Butte Meadows (4012115), Cherry Lake North (3811918), Cisco Grove (3912035), Cooper Peak (3811927), Dogtooth Peak (3711921), Dogwood Peak (3912171), Echo Lake (3812071), Freel Peak (3811978), Haskins Valley (3912172), Hobart Mills (3912042), Humboldt Peak (4012124), Humbug Valley (4012123), Huntington Lake (3711922), Independence Lake (3912043), Jess Valley (4112023), Jonesville (4012114), Kyburz (3812073), Lake Eleanor (3711987), Loon Lake (3812083), Mariposa Grove (3711955), Meeks Bay (3912011), Mt. Harkness (4012143), Pinecrest (3811928), Reading Peak (4012144), Red Cinder (4012142), Seven Lakes Basin (4112224)
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
Counties   Quads