Cryptogramma cascadensis

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Cryptogramma cascadensis


Taxonavigation: Polypodiales 

Superregnum: Eukaryota
Regnum: Plantae
Divisio: Tracheophyta
Divisio: Pteridophyta
Classis: Polypodiopsida
Ordo: Polypodiales

Familia: Pteridaceae
Subfamilia: Cryptogrammoideae
Genus: Cryptogramma
Species: Cryptogramma cascadensis



Cryptogramma cascadensis E.R.Alverson, Amer. Fern J. 79: 95 (1989).

  • Typus: U.S.A., Washington, King Co., 5 km NW of Snoqualmie Pass, above Source Lake along the old trail to Snow lake, on open southeast facing talus of an avalanche track below Chair Peak, T23N RUE S30, 1110 m, 6 Oct 1984, Alverson 876 (Holotypus: OSC; isotypes MO, NY, ORE, UC, WS, WTU).


  • Homotypic
    • Cryptogramma acrostichoides subsp. cascadensis (E.R.Alverson) Fraser-Jenk., Ferns Fern-Allies Nepal 1: 278 (2015).


Native distribution areas:
  • Continental: Northern America
    • Regional: Western Canada
      • British Columbia.
    • Regional: Northwestern U.S.A.
      • Idaho, Montana, Oregon, Washington.
    • Regional: Southwestern U.S.A.
      • California.

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



Primary references

Wikimedia Commons For more multimedia, look at Cryptogramma cascadensis on Wikimedia Commons.