Monardella leucocephala A.Gray (1868:885)
Merced monardella
Taxonomy & Nomenclature
Synonym/s: Madronella leucocephala (A.Gray) Greene in Leafl. Bot. Observ. Crit. 1: 169 (1906)
Conservation Status
Extinct (Smith & York, 1984:3; Rejmánek, 2018; Smith, 2018; Humphreys et al., 2019; Knapp et al., 2020; Albani Rocchetti et al., 2022; Christenhusz & Govaerts, 2024; POWO, 2024)
Last record: 1941 (Smith & York, 1984:3; Rejmánek, 2018; Smith, 2018; Knapp et al., 2021; Christenhusz & Govaerts, 2024)
Distribution
Merced County & Stanislaus County, California, USA
Biology & Ecology
Hypodigm
Media
References
Albani Rocchetti, Giulia, Carta, Angelino, Mondoni, Andrea, Godefroid, Sandrine, Davis, Charles C., Caneva, Giulia, Albrecht, Matthew A., Alvarado, Karla, Bijmoer, Roxali, Borosova, Renata, Bräuchler, Christian, Breman, Elinor, Briggs, Marie, Buord, Stephane, Cave, Lynette H., Da Silva, Nílber Gonçalves, Davey, Alexandra H., Davies, Rachael M., Dickie, John B., Fabillo, Melodina, Fleischmann, Andreas, Franks, Andrew, Hall, Geoffrey, Kantvilas, Gintaras, Klak, Cornelia, Liu, Udayangani, Medina, Leopoldo, Reinhammar, Lars Gunnar, Sebola, Ramagwai J., Schönberger, Ines, Sweeney, Patrick, Voglmayr, Hermann, White, Adam, Wieringa, Jan J., Zippel, Elke Zippel and Abeli, Thomas. (2022). Selecting the best candidates for resurrecting extinct-in-the-wild plants from herbaria. Nature Plants 8: 1385-1393. https://doi.org/10.1038/s41477-022-01296-7 [Supplementary Tables S1-S6]
Baldwin, B. B., Goldman, D. H., Keil, D. J., Patterson, R., Rosatti, T. and Wilken, D. (2012). The Jepson Manual, Vascular Plants of California second edition. Univ. California Press. 1568 pp.
Christenhusz, Maarten J. M. and Govaerts, Rafaël. (2023). Uitgestorven. Op plantenjacht rond de wereld: 1-511. Sterck & De Vreese.
Christenhusz, Maarten J. M. and Govaerts, Rafaël. (2024). Plant extinction in the Anthropocene. Botanical Journal of the Linnean Society. https://doi.org/10.1093/botlinnean/boae045 [Appendix S1]
CPC. (1990). Centre for plant conservation data for North American plants database. CPC, Centre for plant conservation.
Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.
Hickman, J. C. (1993). The Jepson Manual: Higher Plants of California. University of California Press. 1424 pp.
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]
Knapp, Wesley M., Frances, Anne, Noss, Reed, Naczi, Robert F. C., Weakley, Alan, Gann, George D., Baldwin, Bruce G., Miller, James, McIntyre, Patrick, Mishler, Brent D., Moore, Gerry, Olmstead, Richard G., Strong, Anna, Gluesenkamp, Daniel and Kennedy, Kathryn. (2020). Regional records improve data quality in determining plant extinction rates. Nature Ecology & Evolution 4: 512-514. https://doi.org/10.1038/s41559-020-1146-1
Knapp, Wesley M., Frances, Anne, Noss, Reed, Naczi, Robert F. C., Weakley, Alan, Gann, George D., Baldwin, Bruce G., Miller, James, McIntyre, Patrick, Mishler, Brent D., Moore, Gerry, Olmstead, Richard G., Strong, Anna, Kennedy, Kathryn, Heidel, Bonnie and Gluesenkamp, Daniel. (2021). Vascular plant extinction in the continental United States and Canada. Conservation Biology 35(1): 360-368. https://doi.org/10.1111/cobi.13621 [Supporting Information (Appendix S1)]
Le Roux, Johannes J., Hui, C., Castillo, M. L., Iriondo, J. M., Keet, J.-H., Khapugin, A. A., Médail, F., Rejmánek, M., Theron, G. Yannelli, F. A. and Hirsch, H. (2019). Recent Anthropogenic Plant Extinctions Differ in Biodiversity Hotspots and Coldspots. Current Biology 29(17): 2912-2918.e2. https://doi.org/10.1016/j.cub.2019.07.063
Munz, P. and Keck, D. (1963). A California Flora. University of California Press. 1681 pp.
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 11 June 2024]
Rejmánek, Marcel. (2018). Vascular plant extinctions in California: A critical assessment. Diversity and Distributions 24(1): 129-136. https://doi.org/10.1111/ddi.12665
Smith, James P., jnr. (2018). California vascular plants: are some of them still out there? Botanical Studies 74: 1-4.
Smith, James Payne, Jnr. (ed.) and York, Richard (DEM). (1984). Inventory of rare and endangered vascular plants of California. Special Publication No. 1 (3rd edition). Berkeley, California: California Native Plant Society. xviii + 174 pp.
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.
https://vanishingflora.proboards.com/thread/2579/monardella-leucocephala