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Taxon  Report  
Alisma gramineum  Lej.
Grass leaf water plantain,   Grasslike waterplantain
Alisma gramineum is a perennial herb that is native to California.
California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).
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
(34 records)
yellowone or more occurrences
within a 7.5-minute quadrangle
bloom graphic
Bloom Period
Genus: Alisma
Family: Alismataceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Wetlands: Occurs in wetlands

Communities: wetland-riparian

Name Status:
Accepted by JEF + CNPS + PLANTS
Alternate Names:
JEF + PLANTSAlisma geyeri
PLANTSAlisma gramineum var. angustissimum
PLANTSAlisma gramineum var. geyeri
PLANTSAlisma gramineum var. graminifolium
PLANTSAlisma gramineum var. wahlenbergii
Information about  Alisma gramineum from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

USDA PLANTS Profile (ALGR)

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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, including the Consortium of California Herbaria. [web application]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 02/05/2023).