Calflora Taxon Report
Alnus incana  (L.) Moench  ssp. tenuifolia  (Nutt.) Breitung
Creek alder, Mountain alder
photo on Calflora
2019 Richard Spjut
photo on Calflora
2013 BOB CASE
photo on Calflora
2019 R.A. Chasey
photo on Calflora
2019 Richard Spjut
photo on Calflora
2019 R.A. Chasey
photo on Calflora
2019 R.A. Chasey
photo on Calflora
2024 David popp
photo on Calflora
2024 David popp
Alnus incana ssp. tenuifolia is a tree or shrub that is native to California, and also found elsewhere in North America and beyond.
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
Parent: Alnus incana
Genus: Alnus
Family: Betulaceae  
Category: angiosperm  
PLANTS group:Dicot
Jepson eFlora section: eudicot
Wetlands: Occurs usually in wetlands, occasionally in non wetlands

Communities: Yellow Pine Forest, Red Fir Forest, wetland-riparian

Name Status:
Accepted by JEF + PLANTS
Alternate Names:
PLANTSAlnus Xpurpusii
PLANTSAlnus incana var. occidentalis
PLANTSAlnus incana var. virescens
JEF + PLANTSAlnus tenuifolia
External links:
Suggested Citation
“Calflora - Taxon Report.” The Calflora Database, a non-profit organization. .

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