Cirsium praeteriens J.F.Macbr., 1918:19
Palo Alto thistle, Palo Alto lost thistle
Taxonomy & Nomenclature
Conservation Status
Extinct (Rejmánek, 2018; Smith, 2018; Humphreys et al., 2019:SD1; Knapp et al., 2020, 2021; Albani Rocchetti et al., 2022)
Last record: 1901 (Rejmánek, 2018; Smith, 2018; Knapp et al., 2021)
Distribution
Palo Alto, Santa Clara County, California (northern), USA
Biology & Ecology
Hypodigm
Media
References
Original scientific description:
Macbride, J. F. (1918). [description of Cirsium praeteriens]. Contr. Gray Herb. 53: 19.
Other 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]
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
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
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.
Thomas, J. H. (1961). Flora of the Santa Cruz Mountains of California. Stanford, CA: Stanford University Press.
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