Stephanomeria malheurensis Gottlieb (1978:44)

Malheur wire(-)lettuce, Malheur wire lettuce

Taxonomy & Nomenclature

Conservation Status

Extinct in the Wild (NatureServe, 2026)

Last wild record: 1985 or before (NatureServe, 2026)

Distribution & Habitat

Harney County, Oregon, USA

Biology & Ecology

Hypodigm

Media

References

Original scientific description:

Gottlieb, L. D. (1978). Stephanomeria malheurensis (Compositae), a new species from Oregon. Madroño 25: 44-46.

Other references:

Ayensu, E. S. and Defilipps, R.A. (1978). Endangered and Threatened Plants of the United States: 1-403. Smithsonian Institution and WWF-US, Washington DC.

Falk, D. A. (1987). Integrated conservation strategies for endangered plants. Natural Areas J. 7(3): 118-123.

Flora of North America Editorial Committee (FNA). (2006). Flora of North America north of Mexico. Vol. 19. Magnoliophyta: Asteridae, part 6: Asteraceae, part 1. Oxford University Press, New York. xxiv + 579 pp.

Gottlieb, L. D. (1979). The origin of phenotype in a recently evolved species. In O.T. Solbrig, S. Jain, G.B. Johnson, and P.H. Raven (eds.). Topics in plant population biology. Columbia Univ. Press, New York.

Gottlieb, L. D. (1991). The Malheur wire-lettuce, a rare, recently evolved Oregon species. Kalmiopsis (journal of the Oregon Native Plant Society): 9-12.

Humphreys, Aelys M., Govaerts, Rafaël, Ficinski, Sarah Z., Lughadha, Eimear Nic and Vorontsova, Maria S. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery. Nature Ecology & Evolution 3: 1043-1047. https://doi.org/10.1038/s41559-019-0906-2 [Supplementary Dataset 1]

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.

Meinke, R. J. (1982). Threatened and Endangered Vascular Plants of Oregon: An Illustrated Guide. U.S. Fish and Wildlife Service, Region 1, Portland, Oregon. 326 pp.

NatureServe. (2026). Stephanomeria malheurensis: Malheur Wire-lettuce. NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer [web application]. NatureServe, Arlington, Virginia. Available at: https://explorer.natureserve.org/ [Accessed on 19 August 2026]

Oregon Natural Heritage Program. (2001). Rare, Threatened and Endangered Plants and Animals of Oregon. Oregon Natural Heritage Program, Portland, Oregon. 94 pp. (98 pp. PDF).

Parenti, R. L. (1991). Malheur wire-lettuce (Stephanomeria malheurensis) recovery plan. U.S. Fish and Wildlife Service, Portland, Oregon. 30 pp. + appendices.

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 19 August 2026]

Roskov Y. et al. (eds.). (2018). Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

https://en.wikipedia.org/wiki/Stephanomeria_malheurensis

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