Carex scabriuscula

Siskiyou sedge

Family: Cyperaceae · Type: perennial · Native

Conservation status: CNPS 4.3

Siskiyou sedge is a native perennial sedge found in the Klamath Ranges and northern Sierra Nevada (Plumas County) in wet serpentine meadows at elevations of 850 to 2,300 meters. Flowering time is not specified, but this sedge produces small, delicate spikelets in clusters of 1 to 4. Growing with loosely clustered stems 30 to 45 centimeters tall, it has a distinctive base scaled with non-fibrous leaf sheaths. Its leaves are narrow, measuring 2 to 3 millimeters wide and shorter than the flowering stems, with distinctive brown to nearly black perigynia that are minutely hairy near the short beak. The plant is dioecious, with staminate flowers bearing anthers 2 to 2.8 millimeters long and pistillate flowers occasionally having 4 stigmas.

Habitat: Wet serpentine meadows

Elevation: 850-2300 m

Bioregions: KR, n SNH (Plumas Co.)

California counties: Siskiyou, Trinity, Plumas, Del Norte, Shasta, Butte

Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Jepson eFlora, Cal-IPC, and more.