Cenchrus agrimonioides laysanensis F.Br. (1931:20)
Laysan agrimony sandbur
Taxonomy & Nomenclature
Conservation Status
Missing (Wood et al., 2019) or Extinct (Wagner et al., 1999:55; Bruegmann et al., 2018) or Invalid (synonym of C. agrimonioides) (POWO, 2024)
Last record: 1964 (Wood et al., 2019); 1973 (NatureServe, 2024); 1980's
IUCN RedList status: Extinct
Distribution
Kure, Midway and Laysan Atolls, Hawaiian Islands, USA
Biology & Ecology
Hypodigm
Media
References
Bruegmann, M. M. and Caraway, V. (2003). Cenchrus agrimonioides var. laysanensis. The IUCN Red List of Threatened Species 2003: e.T44151A10864753. https://dx.doi.org/10.2305/IUCN.UK.2003.RLTS.T44151A10864753.en. Downloaded on 17 November 2016.
Fortini, L., Price, J., Jacobi, J., Vorsino, A., Burgett, J., Brinck, K., Amidon, F., Miller, S., Gon II, S., Koob, G. and Paxton, E. (2013). A landscape-based assessment of climate change vulnerability for all native Hawaiian plants. Technical report HCSU-044. Hawaii Cooperative Studies Unit, University of Hawaii at Hilo, Hawaii.
Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
Kaaiakamanu, D. K. M. (2003). Native Hawaiian Medicine. Vol III . First People's Production, Honolulu.
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.
NatureServe. (2024). NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer [web application]. NatureServe, Arlington, Virginia. Available at: https://explorer.natureserve.org/ [Accessed 4 September 2024]
O'Connor, P. J. (1990). Poaceae (excluding Panicum), pp. 1481-1604. 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.
POWO. (2024). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 4 September 2024]
U.S. Fish and Wildlife Service. (2003). Rare plant database. Unpublished.
U.S. Fish and Wildlife Service (USFWS). (1999). Recovery Plan for Multi-Island Plants. U.S. Fish and Wildlife Service, Portland, OR.
U.S. Fish and Wildlife Service (USFWS). (2002). Addendum to the Recovery Plan for the Multi-Island Plants. Portland, OR.
U.S. Fish and Wildlife Service (USFWS). (2014). 5 Year Review Cenchrus agrimonioides.
Wagner, Warren L., Bruegmann, Marie M., Herbst, Derral M. and Lau, Joel Q. C. (1999). Hawaiian Vascular Plants at Risk: 1999. Bishop Museum Occasional Papers 60: 1-58.
Wagner, W., Herbst, D. and Sohmer S. (1999). Manual of the Flowering Plants of Hawaii. Bernice Pauahi Bishop Museum Special Publication 91: 1-1918.
Walter, Kerry S. and Gillett, Harriet J. (eds.). (1998). 1997 IUCN Red List of Threatened Plants. Compiled by the World Conservation Monitoring Centre. Gland, Switzerland & Cambridge, UK: IUCN – The World Conservation Union. lxiv + 862 pp.
Wood, Kenneth R., Oppenheimer, Hank and Keir, Matthew. (2019). A checklist of endemic Hawaiian vascular plant taxa that are considered possibly extinct in the wild. National Tropical Botanical Garden, Technical Report #314.