Alnus incana Calflora

Calflora, a 501c3 non-profit

Taxon Report

Alnus incana (L.) Moench

Gray alder

2013 BOB CASE

2019 R.A. Chasey

2024 David popp

2018 David popp

2019 R.A. Chasey

2020 David popp

2007 Dr. Amadej Trnkoczy

2014 Zoya Akulova

Alnus incana is a tree or shrub that is native to California, and also found elsewhere in North America and beyond.


	Plant Range Observation Search ~534 records in California Plant Characteristics

Bloom Period

Photos on Calflora


Subspecies and Varieties:
... ssp. tenuifolia
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 PLANTS + POWO

Information about Alnus incana from other sources


Nursery availability from CNPLX This plant is available commercially. USDA PLANTS Profile (ALIN2) Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	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: 07/15/2025).