Isoetes appalachiana

Taxonavigation

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

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, 2^nd Edition

Brunton, D.F. & Britton, D.M. 1997. Appalachian quillwort (Isoetes appalachiana, sp. nov.; Isoetaceae), a new pteridophyte from the eastern United States. Rhodora 99(898): 118–133. JSTOR BHL Reference page.

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.

English: Appalachian Quillwort