Blasdell'S Laurentian Bladder Fern
Cystopteris laurentiana (Weath.) Blasdell

Cystopteris laurentiana, known as Blasdell's Laurentian Bladder Fern, is a fern species in the family Cystopteridaceae. It is native to eastern North America, particularly the Great Lakes-St. Lawrence lowlands, with scattered populations in New England and Atlantic Canada. This fern is typically found growing on cliffs made of calcareous rocks, including limestone, dolostone, and diabase.
Description
Cystopteris laurentiana is a member of the Cystopteridaceae family and is found in regions such as Labrador, Newfoundland, New Brunswick, Nova Scotia, Ontario, Quebec, and Vermont in the United States. The species was published in 1963 and is commonly referred to as Laurentian bladderfern or St. Lawrence bladderfern. It thrives in rocky habitats, especially on cliffs composed of calcareous substrates like limestone, dolostone, and diabase.
Other common names
Blasdell'S Laurentian Bladder FernLaurentian Bladder FernLaurentian Bulblet FernLaurentian Fragile FernSt. Lawrence Bladder FernSt. Lawrence Bladderfern
Distribution
Labrador · Newfoundland · New Brunswick · Nova Scotia · Ontario · Quebec · Vermont-US
Synonyms
Cystopteris fragilis var. laurentianaCystopteris tennesseensis subsp. laurentiana