Dubautia sherffiana Fosberg (1943:395)
Sherff railliardia
Taxonomy & Nomenclature
Conservation Status
Extinct (Wagner et al., 2026:18)
Last record: August 1986 (iNaturalist observation) or later; 1985-2000 (NatureServe, 2026)
IUCN RedList status: Critically Endangered
Distribution & Habitat
Wai'anae Mountains, Oahu, Hawaiian Islands, USA
Anatomy & Morphology
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Fosberg, F. R. (1943). Notes on plants of the Pacific islands- III. Bull. Torrey Bot. Club 70: 386-397.
Other references:
Carr, G. D. (1985). Monograph of the Hawaiian Madiinae (Asteraceae): Argyroxiphium, Dubautia, and Wilkesia. Allertonia 4: 1-123.
Carr, G. D. (1990). Dubautia. Pp. 292-308 in: Wagner, W.L., D.R. Herbst, and S.H. Sohmer, Manual of the flowering plants of Hawai`i. Special Publ. Bishop Mus., Honolulu 83: 1-1853.
Kartesz, J. T. (1994). A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Keir, M. (2023). Dubautia sherffiana. The IUCN Red List of Threatened Species 2023: e.T153607042A153607046. https://dx.doi.org/10.2305/IUCN.UK.2023-1.RLTS.T153607042A153607046.en. Accessed on 22 August 2026.
NatureServe. (2026). Dubautia sherffiana: Sherff Railliardia. NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer [web application]. NatureServe, Arlington, Virginia. Available at: https://explorer.natureserve.org/ [Accessed on 22 August 2026]
POWO. (2026). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 22 August 2026]
St. John, H. (1950). The subgenera of Dubautia (Compositae): Hawaiian plant studies 18. Pacific Sci. 4: 339-345.
Wagner, Warren L., Khan, Nancy R., Lorence, David H., Flynn, Timothy W. and Wood, Kenneth R. (2026). Checklist of native and naturalized Hawaiian vascular plants. Smithsonian Contributions to Botany 123: i-xii + 1-96, 3 tables. https://doi.org/10.5479/si.32124043