Isoetes divyadarshanii P.K.Shukla, G.K.Srivast. & S.K.Shukla (2005:113)

Taxonomy & Nomenclature

Considered a synonym of I. udupiensis by (POWO, 2026; WFO, 2026).

Conservation Status

Globally Rediscovered (Singh et al., 2025)

Last record: 2005 or before (Shukla et al., 2005)

Rediscovered in: October 2023 (Singh et al., 2025)

IUCN RedList status: Data Deficient

Distribution & Habitat

India

Anatomy & Morphology

Biology & Ecology

Hypodigm

Media

References

Original scientific description:

Shukla, P. K., Srivastava, G. K., Shukla, S. K. and Rajagopal, P. K. (2005). Two new species of the genus Isoetes L. (Isoetaceae–Lycopsida) from India. Taxon 54: 109-116. https://doi.org/10.2307/25065306

Other references:

Fraser-Jenkins, C. R. et al. (2017). An Annotated Checklist of Indian Pteridophytes 1: 1-562. Dehra Dun : BSMPS. [as Isoetes udupiensis]

Kumar, B. and Watve, A. (2011). Isoetes divyadarshanii. The IUCN Red List of Threatened Species 2011: e.T177373A7424438. https://dx.doi.org/10.2305/IUCN.UK.2011-1.RLTS.T177373A7424438.en. Accessed on 14 August 2026.

POWO. (2026). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 14 August 2026]

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.

Singh, Sarvesh Kumar, Brunton, Daniel F., Shukla, Pradeep Kumar, Sokoloff, Paul C., Shukla, Santosh Kumar, Patil, Anant Prakash and Dubey, Nawal Kishor. (2025). Rediscovery of presumed extinct Isoetes divyadarshanii (Isoetaceae—Lycopodiopsida) in India: New insight on its morphology, taxonomy and conservation status. Phytotaxa 697(1): 97-108. https://doi.org/10.11646/phytotaxa.697.1.6

Singh, Sarvesh Kumar, Shukla, Pradeep Kumar, Brunton, Daniel F., Dubey, Nawal Kishore and Shukla, Santosh Kumar. (2021). The taxonomy and conservation status of Isoetes (Isoetaceae; Lycopodiopsida) in India. Botany Letters 168(2): 200-226. https://doi.org/10.1080/23818107.2020.1848621

Troìa, Angelo, Pereira, Jovani B .S., Kim, Changkyun and Taylor, W. Carl. (2016). The genus Isoetes (Isoetaceae): a provisional checklist of the accepted and unresolved taxa. Phytotaxa 277(2): 101-145. https://doi.org/10.11646/phytotaxa.277.2.1

WFO. (2026). Isoetes divyadarshanii P.K.Shukla, G.K.Srivast. & S.K.Shukla. Published on the Internet. Available at: https://www.worldfloraonline.org/taxon/wfo-0001275942 [Accessed on 14 August 2026]

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