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Adiantum aleuticum  (Rupr.) C. A. Paris
Five finger fern
© 2021 Julie A. Kierstead
© 2018 Neal Kramer
© 2013 BOB CASE
© 2021 Julie A. Kierstead
© 2019 Matt Berger
© 2022 R.A. Chasey
© 2021 R.A. Chasey
© 2014 James Gonsman
© 2023 Mary Ann Machi
© 2023 Mary Ann Machi
© 2022 Dana York
© 2023 R.A. Chasey
Adiantum aleuticum is a fern 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
Genus: Adiantum
Family: Pteridaceae  
Category: fern  
PLANTS group:Fern
Jepson eFlora section: fern

Wetlands: Equally likely to occur in wetlands and non wetlands

Ultramafic affinity: 2.4 - weak indicator

Communities: Redwood Forest, Douglas-Fir Forest, Yellow Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Mixed Evergreen Forest, Chaparral, wetland-riparian

Name Status:
Accepted by JEF + JEF + PLANTS + POWO

Alternate Names:
JEFAdiantum boreale
PLANTSAdiantum pedatum ssp. aleuticum
JEF + PLANTSAdiantum pedatum ssp. calderi
PLANTSAdiantum pedatum ssp. subpumilum
JEF + PLANTSAdiantum pedatum var. aleuticum
More …
Information about  Adiantum aleuticum from other sources
Nursery availability from CNPLX
This plant is available commercially.
Jepson eFlora

USDA PLANTS Profile (ADAL)

Photos on Calflora

Photos on CalPhotos

Google Images

Photos on iNaturalist

ID Tips on PlantID.net

[Wikipedia] Taxonomy: Adiantum is derived from Greek and means 'unwetted'. This name is in reference to the fact that its leaves do not become saturated, even when they are submerged in water. Aleuticum means 'from the Aleutian Islands'. (link added by Mary Ann Machi)


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: 03/29/2025).