logo Calflora, a 501c3 non-profit
Taxon  Report  
SIGN IN - REGISTER
Quercus engelmannii  Greene
Engelmann oak
© 2022 Ron Vanderhoff
© 2020 Ron Vanderhoff
© 2020 Ron Vanderhoff
© 2022 Connor Keeney
© 2022 Ron Vanderhoff
© 2020 Ron Vanderhoff
© 2022 Connor Keeney
© 2023 Ron Vanderhoff
© 2022 Connor Keeney
© 2022 Connor Keeney
© 2022 Connor Keeney
© 2022 Connor Keeney
© 2017 Brian Powell
© 2022 Connor Keeney
© 2022 Connor Keeney
© 2022 Connor Keeney
© 2020 Ron Vanderhoff
© 2016 Ron Vanderhoff
© 2020 Ron Vanderhoff
© 2020 Ron Vanderhoff
© 2020 Ron Vanderhoff
© 2021 Ron Vanderhoff
© 2019 Ron Vanderhoff
© 2022 Ron Vanderhoff
© 2020 Ron Vanderhoff
© 2025 Ron Vanderhoff
Quercus engelmannii is a tree that is native to California, and also found in Baja California.
California Rare Plant Rank: 4.2 (limited distribution).
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
~1024 records in California
yellowone or more occurrences
within a 7.5-minute quadrangle
DJJJASONAFMM

Bloom Period
Genus: Quercus
Family: Fagaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot

Toxicity: Do not eat the fruit or leaf of this plant.

Habitat: riparian

Communities: Foothill Woodland, Chaparral, Valley Grassland

Name Status:
Accepted by JEF + CNPS + PLANTS + POWO

Information about  Quercus engelmannii from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (QUEN)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[Wikipedia] Fossil Record Evidence for Wider Range: Fossil evidence shows that Engelmann oaks once had a wider range, extending through what is now the Mojave and Sonoran deserts into eastern California and Arizona. (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: 03/28/2025).