Alnus incana ssp. tenuifolia Calflora

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Taxon Report

Alnus incana (L.) Moench ssp. tenuifolia (Nutt.) Breitung

Creek alder, Mountain alder

2019 Richard Spjut

2013 BOB CASE

2019 R.A. Chasey

2019 Richard Spjut

2019 R.A. Chasey

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.


	Plant Range Observation Search ~466 records in California Plant Characteristics

Bloom Period

Photos on Calflora


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 + JEF + PLANTS

Alternate Names:


PLANTS	Alnus Xpurpusii
PLANTS	Alnus incana var. occidentalis
PLANTS	Alnus incana var. virescens
JEF + PLANTS	Alnus tenuifolia

Information about Alnus incana ssp. tenuifolia from other sources


Nursery availability from CNPLX This plant is available commercially. Jepson eFlora USDA PLANTS Profile (ALINT) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	ITIS Original Publication citation International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape BONAP Distribution Map Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
photos / record / common / links

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: 07/18/2025).