Calflora Taxon Report
Heterotheca grandiflora  Nutt.
Telegraph weed, Telegraphweed
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2021 Mike Russler
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2021 Mike Russler
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2023 Cat Chang
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2021 Mike Russler
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2021 Mike Russler
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2022 Donald Burk
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2024 Bonnie Nickel
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2024 Bonnie Nickel
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2024 Donald Burk
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2025 Gwen Noda
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2017 Angelique Herman
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2023 Cynthia Powell
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2017 Hilary Mills
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2017 Hilary Mills
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2018 Cynthia Powell
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2018 Cynthia Powell
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2022 Donald Burk
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2021 Cara Wilcox
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2017 Julie Ann Watson
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2021 Julie Ann Watson
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2021 Mike Russler
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2021 Mike Russler
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2021 Mike Russler
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2021 Mike Russler
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2021 Mike Russler
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2021 Mike Russler
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2021 Mike Russler
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2021 Suzanne L. Weakley
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2021 Mike Russler
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2021 Mike Russler
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2025 David popp
Heterotheca grandiflora is an annual or perennial herb that is native to California, and endemic (limited) to California.
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
Genus: Heterotheca
Family: Asteraceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot
Communities: Sagebrush Scrub, Southern Oak Woodland, Foothill Woodland
Name Status:
Accepted by JEF + PLANTS + POWO
Alternate Names:
PLANTSHeterotheca floribunda
External links:

Why Telegraph weed: The common name may come from the tall, straight stem bearing smaller branches at the top which resembles a telegraph pole, or from the plants pungent, “creosote-like” odor.

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

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