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Taxon  Report  
Extriplex joaquinana  (A. Nelson) E.H. Zacharias
San Joaquin spearscale
Extriplex joaquinana is an annual herb that is native to California, and endemic (limited) to California.
also called Atriplex joaquiniana
California Rare Plant Rank: 1B.2 (rare, threatened, or endangered in CA and 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
~1075 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle
DJJJASONAFMM

Bloom Period
Genus: Extriplex
Family: Chenopodiaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Habitat: meadows

Communities: Shadscale Scrub, Valley Grassland

Name Status:
Accepted by JEF + CNPS + POWO
Alternate Names:
JEFAtriplex joaquinana
CNPSAtriplex joaquiniana, Atriplex patula ssp. spicata
JEFAtriplex joaquiniana
JEFAtriplex patula ssp. spicata
JEFAtriplex spicata var. lagunita
More …
Information about  Extriplex joaquinana from other sources
Nursery availability from CNPLX
Commercial availability unknown.
Jepson eFlora

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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: 07/15/2025).