Isoetes longissima

Isoetes longissima

Taxonavigation

Taxonavigation: Isoetales
Superregnum: Eukaryota Regnum: Plantae Divisio: Tracheophyta Divisio: Lycopodiophyta Classis: Lycopodiopsida Subclassis: Isoetidae Ordo: Isoetales

Familia: Isoetaceae
Genus: Isoetes
Species: Isoetes longissima
Subspecies: I. l. subsp. adspersa – I. l. subsp. asturicensis – I. l. subsp. intermedia – I. l. subsp. longissima – I. l. subsp. perralderiana – I. l. subsp. tenuissima

Name

Isoetes longissima Bory, Compt. Rend. Hebd. Séances Acad. Sci. 18: 1165 (1844).

• Type locality: [Algeria] “dans une des mares des forêts qui environnent le lac Houbéira, au canton de la Calle”.
• Lectotype (designated by Troia & Greuter 2014: 15): “La Calle, fond d’une Mare dans les Forêts pres du Lac Houbéira”, 31 May 1841, Durieu ex herb. Bory St Vincent (P 466542); isolectotype: P 466541 p.p., detached leaves to the right.

Synonyms

• Homotypic
  • Isoetes velata var. longissima (Bory) A.Braun in Bory & Durieu, Expl. Sci. Algérie, Atlas: tab. 37, fig. 2 (1849).
  • Isoetes velata subsp. longissima (Bory) Greuter & Burdet, Med-Checklist 1: 5 (1984).
  • Calamaria longissima (Bory) Kuntze, Rev. Gen. Pl. 2: 828 (1891).
  • Isoetes setacea subsp. longissima (Bory) Greuter & Burdet, Willdenowia 14(1): 37 (1984).
• Heterotypic
  • see Isoetes longissima subsp. longissima

Distribution

Native distribution areas:
Continental: Europe Regional: Southwestern Europe Baleares (Menorca), Corse, France, Portugal, Sardegna, Spain. Regional: Southeastern Europe Italy, Sicilia (Sicily). Continental: Africa Regional: Northern Africa Algeria, Libya, Morocco, Tunisia. References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

References

Additional references

• Troìa, A. & Greuter, W. 2014. A critical conspectus of Italian Isoetes (Isoetaceae). Plant Biosystems 148(1): 13–20. DOI: 10.1080/11263504.2013.878409 ResearchGate Reference page. 

Links

• Govaerts, R. et al. 2022. Isoetes longissima in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2022 Mar 6. Reference page. 
• Tropicos.org 2022. Isoetes longissima. Missouri Botanical Garden. Published online. Accessed: 6 Mar 2022.
• International Plant Names Index. 2022. Isoetes longissima. Published online. Accessed: 6 Mar 2022.
• Hassler, M. 2022. World Ferns. Checklist of Ferns and Lycophytes of the World. . Isoetes longissima Accessed: 6 Mar 2022.
• Hassler, M. 2022. Isoetes longissima – World Ferns: Checklist of Ferns and Lycophytes of the World . In: Roskov Y., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., De Wever A., Nieukerken E. van, Zarucchi J. & Penev L. (eds.) 2022. Species 2000 & ITIS Catalogue of Life. Published on the internet. Accessed: 2022 Mar 6.

Vernacular names

français: Isoète voilé

For more multimedia, look at Isoetes longissima on Wikimedia Commons.