Taxon Details

Carex lenticularis var. limnophila

lagoon sedge

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Photo of Carex lenticularis var. limnophila

Taxon Summary:

Carex lenticularis var. limnophila, commonly known as lagoon sedge, is a perennial herb in the Cyperaceae that is found in California and elsewhere. It occurs within Bogs and fens, Marshes and swamps, and North Coast coniferous forest, growing at elevations from 0 to 6 meters. Carex lenticularis var. limnophila is ranked 2B.2, Plants Rare, Threatened, or Endangered in California, But More Common Elsewhere; Moderately threatened in California.

Classification

Scientific Name: Carex lenticularis Michx. var. limnophila (Holm) Cronq.
Common Name: lagoon sedge
Family:	Cyperaceae
Element Code:	PMCYP037A7
USDA Plants Symbol:	CALEL2
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:	G5T5
State Rank:	S1
Other Status:
CRPR Changes: changed from 2.2 to 2B.2 on 2004-11-22
Add Date:	2005-01-01
Date Edited:	2025-10-29

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jun-Aug

Elevation:
0 - 6 meters
0 - 20 feet

General Habitats:

Bogs and fens
Marshes and swamps
North Coast coniferous forest

Microhabitat Details: shores, beaches

Microhabitat:

Gravelly (often)

Notes

Notes: Disjunct specimen (Collette #22 DAV) collected from Knight's Landing in Yolo Co. needs verification. See American Journal of Science (Ser. 4) 17:307 (1904) for original description, and Vascular Plants of the Pacific Northwest 1:279 (1969) for revised nomenclature.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	0
	Total EOs	% of EOs
EOs with Threat Listed:	0	%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					4
A	B	C	D	X	U
0	0	0	0	0	4

Occurrence Status:
Historical >20 Years	4
Recent <=20 Years	0

Presence:
Presumed Extant	4
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), Mendocino (MEN)

Quads: Name (Quad Code)
Crescent City (4112472), Noyo Hill (3912346), Orick (4112431), Rodgers Peak (4112421), Sister Rocks (4112462), Trinidad (4112412)

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