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| Key | Description |
|---|---|
| Key to the flowering plants of Hawai'i | Estimated date 2024 |
| Key to the ferns of Hawaiʻi (Pteridophyta) |
This is a key to the native and naturalized ferns of the Hawaiian Islands. There are 145 native species of ferns of which 111 are endemic and 34 and indigenous. In addition, there are 18 known endemic hybrids and 37 naturalized taxa (including species, subspecies, varieties, and cultivars). Amanda L. Vernon and Tom A. Ranker University of Hawai‘i at Mānoa Vernon, A. L. and T. A. Ranker. 2013. Current status of the ferns and lycophytes of the Hawaiian Islands. American Fern Journal 103: 59–111.
Wood, K. R. and W. L. Wagner. 2017. Athyrium haleakalae (Athyriaceae), a new rheophytic fern species from East Maui, Hawaiian Islands: with notes on its distribution, ecology, and conservation. |
| Key to the Sunflower family in Hawaiʻi(Asteraceae, Compositae) | Coming soon in 2020 |
| Key to the bean family in Hawaiʻi (Fabaceae, Leguminosae) | Coming soon in 2020 |
| Key to the grasses of Hawaiʻi (Poaceae, Gramineae) | Coming soon in 2021 |
| Key to the mosses, hornworts and liverworts of Hawaiʻi (Bryophyta, Anthocerophyta, Marchantiophyta) | In planning, no ETA |
| Key to the marine algae of Hawaiʻi (Brown, Red and Green). (Phaeophyceae, Rhodophyta and Chlorophyta) | In planning, no ETA |