Taxon Report

Carex incurviformis Mack.

Mt. Dana sedge

Print Report

Taxon Summary

Carex incurviformis, commonly known as Mt. Dana sedge, is a perennial rhizomatous herb in the Cyperaceae that is found in California and elsewhere. It occurs within Alpine boulder and rock field, growing at elevations from 3700 to 4060 meters. Carex incurviformis is ranked 4.3, Plants of Limited Distribution, A Watch List; Not very threatened in California.

Classification


Scientific Name:	Carex incurviformis Mack.
Common Name:	Mt. Dana sedge
Family:	Cyperaceae
Element Code:	PMCYP036G0
USDA Plants Symbol:	CAIN8
Synonyms/Other Names:	Carex incurviformis var. danaensis

Ecology and Life History


Lifeform:	perennial rhizomatous herb
Blooming Period: Jul-Aug	Jul-Aug
Elevation:	3700-4060 (12140-13320)
General Habitats:	Alpine boulder and rock field
Microhabitat:
Microhabitat Details:

Conservation Status


CA Rare Plant Rank:	4.3
Global Rank:	G4G5
State Rank:	S4
State List:	None
Fed List:	None
Other Status:
CRPR Changes:

Occurrence Data from the CNDDB


Total Occurrences:	0
Element Occurrence Ranks:
Excellent (A)	0
Good (B)	0
Fair (C)	0
Poor (D)	0
None (X)	0
Unknown (U)	0

Location


California Endemic: False
California Counties and Islands: Name (Code)
Fresno (FRE), Inyo (INY), Mono (MNO), Tulare (TUL), Tuolumne (TUO)
Quads: Name (Quad Code)
Bloody Mtn. (3711858), Cirque Peak (3611842), Convict Lake (3711857), Dunderberg Peak (3811913), Mount Dana (3711982), Mount Tom (3711836), Mt. Brewer (3611864), Mt. Darwin (3711826), Split Mtn. (3711814), Tioga Pass (3711983), White Mtn. Peak (3711863)

Threat List Data from the CNDDB


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

Notes



See Leaflets of Western Botany 2:166 (1939) for original description and 7(12):288 (1955) for revised nomenclature, and Madroño 37(1):64 (1990) for information on MNO Co. collection.
Threats:

Taxonomy:

Selected References

Citation California Native Plant Society, Rare Plant Program. 2025. Rare Plant Inventory (online edition, v9.5.1). Website https://www.rareplants.cnps.org [accessed 4 April 2025].