Cystopteris laurentiana

Cystopteris laurentiana, commonly called Laurentian bladderfern or St. Lawrence bladderfern, is a species of fern in the family Cystopteridaceae.[1] It is native to eastern North America, primarily in the Great Lakes-St. Lawrence lowlands, but there are also scattered occurrences in New England and Atlantic Canada.[2] It grows on cliffs composed of calcareous rocks, such as limestone, dolostone and diabase.[2][3][4]

Cystopteris laurentiana
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Suborder: Aspleniineae
Family: Cystopteridaceae
Genus: Cystopteris
Species:
C. laurentiana
Binomial name
Cystopteris laurentiana
(Weath.) Blasdell
Synonyms
  • Cystopteris fragilis var. laurentiana Weath.
  • Cystopteris × tennesseensis subsp. laurentiana (Weath.) Windham

Taxonomy

Cystopteris laurentiana is a fertile allohexaploid hybrid between C. bulbifera (bulblet fern) and C. fragilis (fragile fern).[2] The scientific name is therefore sometimes written as C. × laurentiana, which denotes hybrid origin.

References

  1. "Cystopteris laurentiana (Weath.) Blasdell". Plants of the World Online.
  2. "Cystopteris laurentiana - FNA". beta.floranorthamerica.org. Retrieved 2023-02-18.
  3. "Plants and Animals: Cystopteris laurentiana". Michigan Natural Features Inventory. 18 February 2023. Retrieved 18 February 2023.
  4. "Cystopteris laurentiana (Laurentian Fragile Fern): Minnesota Wildflowers". www.minnesotawildflowers.info. Retrieved 2023-02-18.


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