Calflora Taxon Report
Glaucium flavum Crantz
Yellow horned poppy, Yellow hornpoppy
Glaucium flavum is a perennial herb that is not native to California.

Alternate Names and Sources:
None
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
DJJJASONAFMM

Bloom Period
The blue points on the map indicate observations in Calflora.
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Accepted by: JEPS + PLANTS + POWO
Jepson eFlora section:
USDA PLANTS group:

disturbed
weed, characteristic of disturbed places

[Wikipedia] Taxonomy: It was first published and described by Heinrich Johann Nepomuk von Crantz in 'Stirp. Austr. Fasc.' (Stirpium Austriarum) vol.2 on page 133 in 1763.[7][1][8] The species epithet flavum is Latin for yellow and indicates its flower colour.[9] (link added by Mary Ann Machi)

Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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