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Taxon  Report  
Pleuropogon hooverianus  (L. D. Benson) J. T. Howell
North coast semaphore grass,   North coast semaphoregrass
Pleuropogon hooverianus is a perennial grasslike herb (rhizomatous) that is native to California, and endemic (limited) to California.
also called Lophochlaena refracta var. hooverianus
California Rare Plant Rank: 1B.1 (rare, threatened, or endangered in CA and elsewhere).
State of California status: Threatened.
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
Observation Search
~61 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle
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Bloom Period
Genus: Pleuropogon
Family: Poaceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Habitat: meadows, vernal-pools

Communities: Freshwater Wetlands, North Coastal Coniferous Forest, Mixed Evergreen Forest, wetland-riparian

Name Status:
Accepted by JEF + CNPS + PLANTS + POWO
Alternate Names:
CNPS + PLANTSLophochlaena refracta var. hooverianus
PLANTSPleuropogon refractus var. hooverianus
Information about  Pleuropogon hooverianus from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (PLHO2)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net


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: 05/15/2025).