Polystichum wattii (Bedd.) C.Chr. (1905:98)

Taxonomy & Nomenclature

Synonyms: Lastrea wattii (Bedd.) Bedd. in Suppl. Ferns Brit. Ind.: 49 (1892); Lastreopsis wattii (Bedd.) Tagawa in J. Jap. Bot. 22: 163 (1949)

Conservation Status

Extinct (Nayar & Sastry, 1987:360; Walter & Gillett, 1998; Rao et al., 2003:3 [also Missing as Polystichum wattii])

Distribution

India*

* The distribution for this species given by (POWO, 2023) is far broader, encompassing numerous countries, but most other sources treats it as an Indian endemic (e.g. Chandra et al., 2008).

Anatomy & Morphology

Biology & Ecology

Hypodigm

Media

References

Chandra, Subhash, Fraser-Jenkins, C. R., Kumari, Alka and Srivastava, Archana. (2008). A Summary of the Status of Threatened Pteridophytes of India. Taiwania 53(2): 170-209.

Fraser-Jenkins, Christopher Roy. (2008). Endemics and Pseudo-Endemics in Relation to the Distribution Pattern of Indian Pteridophytes. Taiwania 53(3): 264-292.

Fraser-Jenkins, Christopher Roy. (2012). Rare and Threatened Pteridophytes of Asia 2. Endangered Species of India — the Higher IUCN Categories. Bulletin of the National Museum of Nature and Science, Series B. 38(4): 153-181.

Fraser-Jenkins, Christopher Roy et al. (2018). An Annotated Checklist of Indian Pteridophytes 2: 1-573. Dehra Dun : BSMPS.

Hassler, Michael. (2004-2023). World Ferns. Synonymic Checklist and Distribution of Ferns and Lycophytes of the World. Version 18.2; last update Nov. 21st, 2023. Available at: https://www.worldplants.de/ferns/ [Accessed 24 November 2023]

Nayar, M. P. and Sastry, A. R. K. (compilers). (1987, reprinted 2000). Red Data Book of Indian Plants. Volume 1. Calcutta: Botanical Survey of India. xiii + 367 pp, 16 pls, figs. [pp. 360]

POWO. (2023). Polystichum wattii (Bedd.) C.Chr. Plants of the World Online (online resource). Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 18 November 2023]

Rao, C. Kameswara, Geetha, B. L. and Suresh, Geetha. (2003). Red List of Threatened Vascular Plant Species in India: Compiled from the 1997 IUCN Red List of Threatened Plants. ENVIS Centre on Floral Diversity, Botanical Survey of India, Kolkata. xxiv + 144 pp. [automatic download]

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.

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