Taxon Details

Carex lyngbyei

Lyngbye's sedge

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Taxon Summary:

Carex lyngbyei, commonly known as Lyngbye's sedge, is a perennial rhizomatous herb in the Cyperaceae that is found in California and elsewhere. It occurs within Marshes and swamps (brackish, and freshwater), growing at elevations from 0 to 10 meters. Carex lyngbyei is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Carex lyngbyei Hornem.
Common Name: Lyngbye's sedge
Family:	Cyperaceae
Element Code:	PMCYP037Y0
USDA Plants Symbol:	CALY3
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	2B.2
Fed List:	None
State List:	None
Global Rank:	G5
State Rank:	S3
Other Status:	IUCN_LC
CRPR Changes:
Add Date:	2001-01-01
Date Edited:	2021-07-14

Ecology and Life History

Lifeform: perennial rhizomatous herb

Blooming Period: Apr-Aug

Elevation:
0 - 10 meters
0 - 35 feet

General Habitats:

Marshes and swamps (brackish, freshwater)

Microhabitat Details:

Microhabitat:

Notes

Notes: Possibly threatened by grazing, non-native plants, and habitat disturbance.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	6
	Total EOs	% of EOs
EOs with Threat Listed:	18	49 %
Non-native plant impacts	9	24%
Other	6	16%
Grazing	4	10%
Foot traffic/trampling	2	5%
Development	1	2%
ORV activity	1	2%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					37
A	B	C	D	X	U
5	6	11	0	0	15

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

Presence:
Presumed Extant	37
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
Alaska (AK), California (CA), Oregon (OR), Washington (WA)

California Counties and Islands: Name (Code)
Del Norte (DNT), Humboldt (HUM), Marin (MRN), Mendocino (MEN), Napa (NAP), Solano (SOL)

Quads: Name (Quad Code)
Arcata North (4012481), Arcata South (4012471), Bolinas (3712286), Cannibal Island (4012463), Crannell (4112411), Crescent City (4112472), Cuttings Wharf (3812223), Eureka (4012472), Fairfield South (3812221), Ferndale (4012453), Inglenook (3912357), Inverness (3812217), Mendocino (3912337), Noyo Hill (3912346), Point Arena (3812386), Sister Rocks (4112462), Tyee City (4012482)

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

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CNPS Rare Plant Inventory