Calflora Taxon Report
Rhododendron columbianum  (Piper) Harmaja
Western labrador tea
photo on Calflora
2008 Steve Matson
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2008 Steve Matson
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2025 Mike Russler
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2020 Susan McDougall
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2021 Suzanne L. Weakley
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2022 Julie A. Kierstead
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2019 Talila Golan
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2023 Suzanne L. Weakley
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2024 Julie A. Kierstead
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2025 Mike Russler
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2017 Adam Chasey
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2025 Steve Conger
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2019 Richard Spjut
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2022 Julie A. Kierstead
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2022 Julie A. Kierstead
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2019 Bob Sweatt
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2020 Asa B Spade
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2021 Mike Russler
photo on Calflora
2021 Mike Russler
photo on Calflora
2021 Mike Russler
photo on Calflora
2021 Mike Russler
photo on Calflora
2021 Mike Russler
photo on Calflora
2022 Julie A. Kierstead
photo on Calflora
2018 Cynthia Powell
Rhododendron columbianum is a shrub that is native to California, and also found elsewhere in western North America.
also called Ledum glandulosum
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: Rhododendron
Family: Ericaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot
Toxicity: Do not eat any part of this plant.

Wetlands:
Arid West: Occurs usually in wetlands, occasionally in non wetlands
Mountains, Valleys and Coast: Occurs in wetlands

Communities: Closed-cone Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Mixed Evergreen Forest, Alpine Fell-fields, wetland-riparian

Name Status:
Accepted by JEF + POWO
Alternate Names:
JEFLedum glandulosum
PLANTSLedum Xcolumbianum
PLANTSLedum
External links:

Learn more about Rhododendron columbianum: Rhododendron columbianum Jepson video: (link added by Mary Ann Machi)

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

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