Isoetes philippinensis

Taxonavigation

Taxonavigation: Isoetales
Superregnum: Eukaryota Cladus: Orthokaryota Cladus: Neokaryota Cladus: Photokaryota Cladus: Diaphoretickes Cladus: CAM Cladus: Archaeplastida Regnum: Plantae Divisio: Tracheophyta Divisio: Lycopodiophyta Classis: Lycopodiopsida Subclassis: Isoetidae Ordo: Isoetales

Familia: Isoetaceae
Genus: Isoetes
Species: Isoetes philippinensis

Name

Isoetes philippinensis Merr. & L.M.Perry, Amer. Fern J. 30(3): 19 (1940).

• Typus: Philippine Islands: Mindanao: Lanao Province, stream near Momungan, 400–500 m, 18 Nov 1938, Zwickey 778 (Holotypus: GH 00062344, isotypus: MICH 1191336).

Distribution

Native distribution areas:
Continental: Asia-Tropical Regional: Malesia Philippines (Mindanao), Sulawesi. References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Primary references

• Merrill, E.D. & Perry, L.M. 1940. A new Philippine Isoetes. American Fern Journal 30(1): 18–20. BHL JSTOR Reference page. 

Additional references

• Troìa, A., Pereira, J.B.S., Kim, C. & Taylor, W.C. 2016. The genus Isoetes (Isoetaceae): a provisional checklist of the accepted and unresolved taxa. Phytotaxa 277(2): 101–145. DOI: 10.11646/phytotaxa.277.2.1 ResearchGate Reference page. 

Links

• Govaerts, R. et al. 2026. Isoetes philippinensis in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2026 Jun 5. Reference page. 
• Tropicos.org 2026. Isoetes philippinensis. Missouri Botanical Garden. Published online. Accessed: 5 Jun 2026. Reference page.
• International Plant Names Index. 2026. Isoetes philippinensis. Published online. Accessed: 5 Jun 2026. Reference page.
• Hassler, M. 2026. World Ferns. Checklist of Ferns and Lycophytes of the World. . Isoetes philippinensis Accessed: 5 Jun 2026. Reference page.