Isoetes delalandei

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Taxonavigation: Isoetales 

Superregnum: Eukaryota
Regnum: Plantae
Divisio: Tracheophyta
Divisio: Lycopodiophyta
Classis: Isoetopsida
Ordo: Isoetales

Familia: Isoetaceae
Genus: Isoetes
Species: Isoetes delalandei


Isoetes delalandei J.Lloyd, Notes Fl. Ouest France: 25. 1852.

  • Typus: [France]. Île de Houat (Morbihan), Apr 1852, J. Lloyd s.n. (Lectotype (designated by Troìa & Rouhan 2018: 1002): ANG [herb. James Lloyd]; isolectotypes: B 20 0107589, NTM [herb. Toussaint, herb. Menier], P 01313472, 01293646 & PC0731960).


  • Homotypic
    • Isoetes histrix subsp. delalandei (J.Lloyd) P.Fourn., Quatre Fl. France 6. 1934.
      • Isoetes histrix proles delalandei (J.Lloyd) Rouy, Fl. Fr. 14: 481. 1913.
      • Isoetes histrix [unranked] solitaria A.Braun, Monatsber. Königl. Preuss. Akad. Wiss. Berlin 1863: 618. 1864.

Native distribution areas

Display the range areas:
  • Continental: Europe
    • Regional: Southwestern Europe
      • France

References: Brummitt, R.K. 2001. TDGW – World Geographical Scheme for Recording Plant Distributions, 2nd Edition