Cystopteris tennesseensis
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Suborder: Aspleniineae
Family: Cystopteridaceae
Genus: Cystopteris
Species:
C. tennesseensis
Binomial name
Cystopteris tennesseensis
Shaver
Synonyms
  • Cystopteris fragilis var. tennesseensis (Shaver) McGregor
  • Cystopteris fragilis (Linnaeus) Bernhardi f. simulans Weatherby

Cystopteris tennesseensis, commonly known as the Tennessee fragile fern or Tennessee bladderfern, is a species of fern in the family Cystopteridaceae.[1][2]

Description

Cystopteris tennesseensis is a lithophytic fern, growing on calcareous rock ledges, scree, and cliffs. It has creeping rhizomes, and occasionally has misshappen bulbets.[1]

Cystopteris tennesseensis is a member of the Cystopteris hybrid complex. It originated as an allotetraploid hybrid between two diploid parents, C. bulbifera × C. protrusa.[1]

Distribution

The fern is native to the eastern United States. It occurs in the states of: Ala., Ark., Ga., Ill., Ind., Iowa, Kans., Ky., Md., Mo., N.C., Ohio., Okla., Pa., Tenn., Va., W.Va., Wis.[1]

References

  1. 1 2 3 4 "Cystopteris tennesseensis in Flora of North America @ efloras.org". www.efloras.org. Retrieved 2023-12-12.
  2. ↑ Christopher H. Haufler; Michael D. Windham; Thomas A. Ranker (1990). "Biosystematic Analysis of the Cystopteris tennesseensis (Dryopteridaceae) Complex on JSTOR". Retrieved 12 December 2023.


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