Species Details

Carex petasata

Liddon's sedge

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Classification

Scientific Name: Carex petasata Dewey
Common Name: Liddon's sedge
Family:	Cyperaceae
Element Code:	PMCYP03AE0
USDA Plants Symbol:	CAPE7
Synonyms/Other Names:

Conservation Status

CA Rare Plant Rank:	2B.3
Fed List:	None
State List:	None
Global Rank:	G5
State Rank:	S3
Other Status:
CRPR Changes: changed from 2.3 to 2B.3 on 2013-06-12
Add Date:	1984-01-01
Date Edited:	2021-05-26

Ecology and Life History

Lifeform: perennial herb

Blooming Period: May-Jul

Elevation:
600 - 3320 meters
1970 - 10895 feet

General Habitats:

Broadleafed upland forest
Lower montane coniferous forest
Meadows and seeps
Pinyon and juniper woodland

Microhabitat Details:

Microhabitat:

Notes

Notes: Threatened by logging, grazing, and fire. Possibly threatened by vehicles.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	12
	Total EOs	% of EOs
EOs with Threat Listed:	52	71 %
Grazing	37	50%
Logging	35	47%
Improper burning regime	10	13%
Recreational use (non-ORV)	7	9%
Foot traffic/trampling	6	8%
ORV activity	6	8%
Non-native plant impacts	3	4%
Other	2	2%
Wood cutting or brush clearing	2	2%
Altered flood/tidal/hydrologic regime	1	1%
Development	1	1%
Erosion/runoff	1	1%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					73
A	B	C	D	X	U
6	38	9	0	0	20

Occurrence Status:
Historical >20 Years	17
Recent <=20 Years	56

Presence:
Presumed Extant	73
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Alaska (AK), Arizona (AZ), California (CA), Colorado (CO), Idaho (ID), Montana (MT), Nevada (NV), New Mexico (NM), Oregon (OR), Utah (UT), Washington (WA), Wyoming (WY)

California Counties and Islands: Name (Code)
Alpine (ALP), Inyo (INY), Lassen (LAS), Modoc (MOD), Mono (MNO), Plumas (PLU), Shasta (SHA)

Quads: Name (Quad Code)
Antelope Mtn. (4012058), Bullard Lake (4012078), Champs Flat (4012068), Corders Reservoir (4012172), Eagle Peak (4112032), Emerson Peak (4112022), Fales Hot Springs (3811934), Harvey Mtn. (4012161), Heenan Lake (3811966), Jellico (4012173), Kearsarge Peak (3611873), Knox Mountain (4112026), Lake Annie (4112081), Lane Reservoir (4112017), Mahogany Ridge (4112055), Mammoth Mtn. (3711961), Pine Creek Valley (4012151), Poison Lake (4012162), Sheepshead (4012077), Spalding Tract (4012067), Straylor Lake (4012171), Surprise (4112054), Swain Mountain (4012141), Swains Hole (4012163), Topaz Lake (3811965), Twain (4012111)

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.

Regional Map

Map

Presumed Extant

Click on quad for name. Hold Shift Key to use mouse scroll wheel

CNPS Rare Plant Inventory