Isoetes philippinensis Merr. & L.M. Perry (1940:19)
kabauing-bauing, lunsay
Taxonomy & Nomenclature
Conservation Status
Last record: 24 August 1969 (Amoroso et al., 2022)
Rediscovered on 25 May 2022 (Amoroso et al., 2022)
Still listed as Extinct by (POWO, 2024).
Distribution
Olangu river, Barangay Angayen, Municipality of Baloi, Lanao del Norte, Mindanao, Philippines
Type locality: as above (Amoroso et al., 2022)
Only known from the type locality (Amoroso et al., 2022).
Biology & Ecology
See (Amoroso et al., 2022).
Hypodigm
See (Amoroso et al., 2022).
Media
References
Original scientific description:
Merrill, E. D. and Perry, L. M. (1940). A New Philippine Isoetes. American Fern Journal 30(1): 18-20.
Other references:
Alston, A. H. G. (1959). Isoetaceae. Flora Malesiana, Vol. I, Series II.
Amoroso, Victor B. et al. (2022). Rediscovery of the Presumed Extinct Philippine Quillwort Isoetes philippinensis Merr. & L.M. Perry (Isoetaceae) and New Insights on its Morphology and Ecology. Philippine Journal of Science 151(6A): 2093-2100. https://doi.org/10.56899/151.6A.03
Christenhusz, M. and Govaerts, R. (2023). Uitgestorven. Op plantenjacht rond de wereld: 1-511. Sterck & De Vreese.
Ebihara, Atsushi, Fraser-Jenkins, Christopher Roy, Parris, Barbara S., Zhang, Xian-Chun, Yang, Yue-Hong, Chiou, Wen-Liang, Chang, Ho-Ming, Lindsay, Stuart, Middleton, David, Kato, Masahiro, Praptosuwiryo, Titien Ngatinem, Amoroso, Victor B., Barcelona, Julie F., Ranil, Rajapaksha Haddokara Gedara, Park, Chan-Ho, Murakami, Noriaki and Hoya, Akihiko (2012). Rare and Threatened Pteridophytes of Asia 1. An Enumeration of Narrowly Distributed Taxa. Bulletin of the National Museum of Nature and Science, Series B. 38(3): 93-119.
Hassler, Michael. (2004-2023). World Ferns. Synonymic Checklist and Distribution of Ferns and Lycophytes of the World. Version 17.2; last update Oct. 18th, 2023. Available at: https://www.worldplants.de/ferns/ [Accessed 21 October 2023]
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 22 May 2024]
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.
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
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