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Distribution by County   2911    
Eleocharis macrostachya  Britton
Common spikerush, Creeping spike rush, Pale spikerush, Wire grass
Eleocharis macrostachya is a perennial grasslike herb that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Alameda: 29 Lake: 14 Placer: 23 Shasta: 20
Alpine: 6 Lassen: 46 Plumas: 31 Sierra: 14
Amador: 6 Los Angeles: 62 Riverside: 71 Siskiyou: 12
Butte: 104 Madera: 23 Sacramento: 75 Solano: 15
Calaveras: 7 Marin: 86 San Benito: 40 Sonoma: 47
Colusa: 11 Mariposa: 10 San Bernardino: 14 Stanislaus: 5
Contra Costa: 30 Mendocino: 52 San Diego: 145 Sutter: 10
Del Norte: 3 Merced: 27 San Francisco: 17 Tehama: 60
El Dorado: 25 Modoc: 48 San Joaquin: 5 Trinity: 13
Fresno: 42 Mono: 36 San Luis Obispo: 97 Tulare: 15
Glenn: 13 Monterey: 67 San Mateo: 55 Tuolumne: 12
Humboldt: 18 Napa: 17 Santa Barbara: 82 Ventura: 48
Inyo: 13 Nevada: 17 Santa Clara: 42 Yolo: 31
Kern: 18 Orange: 19 Santa Cruz: 16 Yuba: 8

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 02/13/2026).