Taxon Details

Carex tiogana

Tioga Pass sedge

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Taxon Summary:

Carex tiogana, commonly known as Tioga Pass sedge, is a perennial herb in the Cyperaceae that is found in California and elsewhere. It occurs within Meadows and seeps (lake margins, and mesic), growing at elevations from 3100 to 3300 meters. Carex tiogana is ranked 1B.3, Plants Rare, Threatened or Endangered in California and Elsewhere; Not very threatened in California.

Classification

Scientific Name: Carex tiogana D.W. Taylor & J. Mastrogiuseppe
Common Name: Tioga Pass sedge
Family:	Cyperaceae
Element Code:	PMCYP03GP0
USDA Plants Symbol:	CATI5
Synonyms/Other Names:
Name Status:	JEF, FNA, POWO, IPNI, Tropicos

Conservation Status

CA Rare Plant Rank:	1B.3
Fed List:	None
State List:	None
Global Rank:	G1Q
State Rank:	S1
Other Status:	USFS_S
CRPR Changes:
Add Date:	1994-01-01
Date Edited:	2022-08-02

Ecology and Life History

Lifeform: perennial herb

Blooming Period: Jul-Aug

Elevation:
3100 - 3300 meters
10170 - 10825 feet

General Habitats:

Meadows and seeps (lake margins, mesic)

Microhabitat Details:

Microhabitat:

Notes

Notes: Known from only 4 small occurrences. Threatened by recreational activities, especially foot traffic. See Novon 9(1):120 (1999) for original description.
Threats:
Taxonomy:

Threat List Data from the CNDDB

THREAT LIST:
Threat List Total:	1
	Total EOs	% of EOs
EOs with Threat Listed:	1	14 %
Foot traffic/trampling	1	14%

Occurrence Data from the CNDDB

Element Occurrence Ranks:
Total Occurrences:					7
A	B	C	D	X	U
0	0	0	1	0	6

Occurrence Status:
Historical >20 Years	3
Recent <=20 Years	4

Presence:
Presumed Extant	7
Possibly Extirpated	0
Presumed Extirpated	0

Location

California Endemic:

California Island:

States: Name (Code)
California (CA), Oregon (OR)

California Counties and Islands: Name (Code)
Mono (MNO), Tuolumne (TUO)

Quads: Name (Quad Code)
Dunderberg Peak (3811913), Koip Peak (3711972)

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