Cirsium hydrophilum hydrophilum Jeps. (1901:507)

Suisun thistle

Taxonomy & Nomenclature

Synonyms: Carduus hydrophilus Greene in Proc. Acad. Nat. Sci. Philadelphia 44: 358 (1892 publ. 1893); Cirsium vaseyi var. hydrophilum Petr. in Beih. Bot. Centralbl. 35(2): 458 (1917); Circium hydrophilum Jeps. [orth. error used by (Humphreys et al., 2019)]

Conservation Status

Last record: 1959 (Ripley, 1975:40)

Since Rediscovered (fide Humphreys et al., 2019)

Previously considered possibly Extinct ("poEX") (Ripley, 1975:40).

Distribution

Suisun Marsh, Solano County, California, USA

Biology & Ecology

Hypodigm

Media

References

CPC. (1992). Centre for plant conservation data for North American plants database. CPC, Centre for plant conservation.

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]

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 29 November 2024]

Ripley, S. Dillon. (1975). Report on endangered and threatened species of the United States. House Document 94-51: 1-200 [40].

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

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://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=2133

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