Polystichum kwakiutlii D.H.Wagner (1990:50)

Kwakiutl's hollyfern, Kwakiutl's holly fern

Taxonomy & Nomenclature

Conservation Status

Extinct (POWO, 2023; Christenhusz & Govaerts, 2024)

Last (and only) record: 1934 (wild) (Wagner, 1990:50 [sole record; plus date]; Christenhusz & Govaerts, 2024 [date only]); 1946 (in cultivation) (Christenhusz & Govaerts, 2024)

Distribution

Alice Arm, British Columbia, Canada

Biology & Ecology

Hypodigm

Media

References

Original scientific description:

Wagner, David H. (1990). Polystichum kwakiutlii sp. nov., the Elusive Bipinnate Ancestor of P. andersonii. American Fern Journal 80(2): 50-52.

Other references:

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]

Hassler, Michael. (2004-2023). World Ferns. Synonymic Checklist and Distribution of Ferns and Lycophytes of the World. Version 17.2; last update Oct. 20th, 2023. Available at: https://www.worldplants.de/ferns/ [Accessed 28 October 2023]

POWO. (2023). Polystichum kwakiutlii D.H.Wagner. Plants of the World Online (online resource). Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 25 October 2023]

Roskov Y. et al. (eds.). (2018). World Ferns: Checklist of Ferns and Lycophytes of the World. Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands.

Wagner, D. H. (1979). Systematics of Polystichum in Western North America north of Mexico. Pteridologia 1: 1-64.

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. ["EX/E" (p. 11)]

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