Isoetes occidentalis

Taxonavigation

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Taxonavigation: Isoetales 

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

Familia: Isoetaceae
Genus: Isoetes
Species: Isoetes occidentalis

Name

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Isoetes occidentalis L.F.Hend., Bull. Torrey Bot. Club 27: 358 (1900).

  • Type: United States, Idaho, Lake Coeur d'Alene, August–Sept. 1897. Henderson No. 4786.

Synonyms

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  • Heterotypic
    • Isoetes echinospora var. flettii A.A.Eaton, Fern Bull. 13: 51 (1905).
      • Isoetes echinospora subsp. flettii (A.A.Eaton) Piper & Beattie, Fl. N.W. Coast: 16 (1915).
      • Isoetes echinospora f. flettii (A.A.Eaton) Clute, Fern Bull. 16: 55 (1908).
      • Isoetes flettii (A.A.Eaton) N.Pfeiff., Ann. Missouri Bot. Gard. 9(2): 186 (1922).
      • Isoetes maritima var. flettii (A.A.Eaton) C.F.Reed, Amer. Fern J. 35: 85 (1945).
    • Isoetes lacustris var. paupercula Engelm., Trans. Acad. Sci. St. Louis 4: 377 (1882).
      • Isoetes lacustris subsp. paupercula (Engelm.) Feilberg, Nordic J. Bot. 4: 155 (1984). DOI: 10.1111/j.1756-1051.1984.tb01483.x
      • Isoetes macrospora f. paupercula (Engelm.) Clute, Fern Bull. 16: 56 (1908).
      • Isoetes paupercula (Engelm.) A.A.Eaton, Proc. U.S. Nat. Mus. 23(1226): 649 (1901).
    • Isoetes piperi A.A.Eaton, Fern Bull. 13: 51 (1905).
      • Isoetes piperi A.A.Eaton, Fern Bull. 11: 85 (1903) nom. nud.
      • Isoetes howellii f. piperi (A.A.Eaton) Clute, Fern Bull. 16: 56 (1908).
      • Isoetes howellii var. piperi (A.A.Eaton) Clute, Fern-Allies 246, 258 (1905).
      • Isoetes occidentalis var. piperi (A.A.Eaton) A.Nelson & J.F.Macbr., Bot. Gaz. 61(1): 30 (1916).

Hybrids

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I. × truncata

Distribution

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Native distribution areas:
  • Continental: Northern America
    • Regional: Subarctic America
      • Aleutian Islands, Alaska
    • Regional: Western Canada
      • Alberta, British Columbia
    • Regional: Northwestern U.S.A.
      • Colorado, Idaho, Montana, Oregon, Washington, Wyoming
    • Regional: Southwestern U.S.A.
      • California, Utah.

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

References

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Additional references

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Vernacular names

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English: Western Quillwort
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