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Taxon  Report  
Carex helleri  Mack.
Heller's sedge
Carex helleri is a perennial grasslike herb that is native to California, and found only slightly beyond California borders.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
Genus: Carex
Family: Cyperaceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Habitat: slopes

Communities: Subalpine Forest, Alpine Fell-fields

Name Status:
Accepted by JEF + PLANTS + POWO
Information about  Carex helleri from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (CAHE6)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[vegetation.cnps.org] Companion Plants: Carex helleri is co-dominant or characteristically present in the herbaceous layer with Achnatherum occidentale, Agoseris glauca, Antennaria media, Arabis platysperma, Carex breweri, Carex subnigricans, Castilleja nana, Cistanthe monosperma, Draba densifolia, Elymus elymoides, Eriogonum incanum, Lupinus confertus, Luzula divaricata, Penstemon heterodoxus, Poa suksdorfii, Raillardella argentea, Saxifraga tolmiei, Silene sargentii and Trisetum spicatum. (link added by Mary Ann Machi)


Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 05/12/2025).