Plagiobothrys lithocaryus (Greene ex A.Gray) I.M.Johnst. (1923:76)
Mayacamas popcorn flower
Taxonomy & Nomenclature
Synonyms: Krynitzkia lithocarya Greene ex A.Gray in Proc. Amer. Acad. Arts 20: 265 (1885); Allocarya lithocarya (Greene ex A.Gray) Greene in Pittonia 1: 16 (1887)
Conservation Status
Extinct (Rejmánek, 2018; Smith, 2018; Humphreys et al., 2019; Knapp et al., 2020, 2021; Albani Rocchetti et al., 2022; POWO, 2024)
Last record: April 1899 (Johnston, 1932:51); 1899 (Rejmánek, 2018; Knapp et al., 2021)
Distribution
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]
Christenhusz, M. and Govaerts, R. (2023). Uitgestorven. Op plantenjacht rond de wereld: 1-511. Sterck & De Vreese.
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]
Johnston, Ivan M. (1933). Studies in the Boraginaceae, IX. 1. The Allocarya section of Plagiobothrys in the western United States. 2. Notes on various borages of the western United States. Contributions from the Arnold Arboretum of Harvard University III: 1-102.
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
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
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 27 April 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.
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.
http://ucjeps.berkeley.edu/cgi-bin/get_cpn.pl?38513
https://vanishingflora.proboards.com/thread/3582/plagiobothrys-lithocaryus