Isoetes appalachiana

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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 appalachiana


Isoetes appalachiana D.F.Brunt. & D.M.Britton, Rhodora 99(898): 129 (1997).

  • Type: U.S.A. Pennsylvania: Blair Co., Tipton Reservoir, 6 Aug 1995, D. F. Brunton and K. L. Mcintosh 12.274 (Holotype: OAC (Plant A); isotypes: MIL, MICH, DAO, GH, VPI, PH, herb. D.F.Brunton).


  • Heterotypic
    • Isoetes engelmannii var. georgiana Engelm., Trans. Acad. Sci. St. Louis 4: 384 (1882).
      • Isoetes engelmannii f. georgiana (Engelm.) Clute, Fern-Allies 258 (1905).
    • Isoetes engelmannii var. fontana A.A.Eaton, Fern Bull. 13: 52 (1905). (according to Brunton & Britton 1997)
      • Typus: “Near McCall's Ferry. Betheseda, Pa., July, 1898: along Part de Posit R. R., in spring water a few inches deep.” — Jas. Galen. (Holotypus: Herb. A. A. Eaton, isotypi: “National Mus.,” MO, and “University of Minnesota Herbaria”.
      • Isoetes engelmannii f. fontana (A.A.Eaton) Clute, Fern-Allies 258 (1905).


Native distribution areas:
  • Continental: Northern America
    • Regional: Northeastern U.S.A.
      • Pennsylvania.
    • Regional: Southeastern U.S.A.
      • Florida, Georgia, North Carolina, South Carolina, Virginia.

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


Primary references[edit]

Additional references[edit]


Vernacular names[edit]

English: Appalachian Quillwort