Carex hassei

Hasse's sedge

Family: Cyperaceae · Type: perennial · Native

Hasse's sedge is a California native perennial sedge found in northern coastal, Klamath Ranges, North Coast Ranges, California Ranges, Sierra Nevada, Central Coast, San Francisco Bay Area, Transverse Ranges, Peninsular Ranges, eastern Sierra Nevada, and Desert Mountains in springs, peatlands, fens, and moist meadows at elevations below 2,900 meters. Its lower spikes are 7 to 25 millimeters long, with reddish-brown to dark purple flower bracts. Growing with loosely clustered rhizomes and slender stems, this sedge produces leaf blades 2 to 4 millimeters wide. Its leaves have distinctive white-margined, red-brown to dark purple bracts with pistillate flowers bearing two to three stigmas. The fruit is a small lenticular perigynia 1.4 to 2 millimeters long, initially white to green with purple splotches, becoming pale green-white when dry.

Habitat: Springs, peatland, fens, moist meadows, serpentine or not

Elevation: < 2900 m

Bioregions: NCo, KR, NCoRH, CaRH, SNH, CCo, SnFrB, TR, PR, SNE, DMtns

California counties: Tehama, Humboldt, Marin, Modoc, Nevada, Santa Clara, Tulare, Tuolumne, Los Angeles, San Bernardino, San Diego, Inyo, Riverside, Ventura, Sonoma, Mendocino, Santa Cruz, Siskiyou, Kern, Placer, Monterey, Amador, Sierra, Fresno, Lassen, Alpine, Plumas, Madera, Glenn, Mariposa, Trinity, Shasta, Mono, El Dorado, Lake, Colusa, Del Norte

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