Blechnaceae

Amaumau fern

Sadleria cyatheoides Kaulf.

Family: Blechnaceae
Genus: Sadleria

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Amaumau fern: Sadleria cyatheoides (habit with red frond). Location: Maui, Old Switchbacks Trail Haleakala National Park — Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons

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Common names

By language (1)

English: Amaumau fern

Synonyms

Blechnum cyatheoides (Kaulf.) Christenh.
Blechnum cyatheoides (Kaulf.) Trevis.
Blechnum fontanesianum Gaudich.
Blechnum kaulfussianum Gaudich.
Woodwardia cyatheoides (Kaulf.) Mett.

Characteristics

Growth habit: Shrub
Lifespan: Perennial
In the US and Canada: Hawaii: native

Photos

Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: rockybajada, CC0, from iNaturalist
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: cwarneke, CC0, from iNaturalist
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Kevin Faccenda, CC BY 4.0, from iNaturalist
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: nebrooks, CC BY 4.0, from iNaturalist
Photo: Forest & Kim Starr, CC BY 3.0, from Wikimedia Commons
Photo: Marcus Tamura, CC0, from iNaturalist
Photo: David Eickhoff from Pearl City, Hawaii, USA, CC BY 2.0, from Wikimedia Commons
Photo: Tara Severns, CC BY 4.0, from iNaturalist

More in Sadleria

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.