OF THE CAROLINAS & GEORGIA

Monilophytes (ferns): Leptosporangiate Ferns (true ferns): Polypodiales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Cystopteris fragilis   FAMILY Cystopteridaceae   Go to FSUS key


SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cystopteris fragilis   FAMILY Dryopteridaceae

INCLUDED WITHIN Flora of West Virginia (Strausbaugh & Core, 1978)
Cystopteris fragilis

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Cystopteris fragilis var. fragilis

 

COMMON NAME:
Fragile Fern, Brittle Fern, Brittle Bladder Fern


         To see larger pictures, click or hover over the thumbnails.

image of Cystopteris fragilis, Fragile Fern, Brittle Fern, Brittle Bladder Fern

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_fifr_001_lvd

        

image of Cystopteris fragilis, Fragile Fern, Brittle Fern, Brittle Bladder Fern

Emily B. Sessa    ebs_cfragilis3868

April        

Pinnules variably lobed with toothed to smooth margins, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Cystopteris fragilis, Fragile Fern, Brittle Fern, Brittle Bladder Fern

Emily B. Sessa    ebs_cfragilis1797

July        

Blades lanceolate with pointed tips, widest just below middle, ~ dissected, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Cystopteris fragilis, Fragile Fern, Brittle Fern, Brittle Bladder Fern

Emily B. Sessa    ebs_cfragilis1798

July        

If toothed, pinnae margins have sharp teeth (veins ending at teeth tips), per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Cystopteris fragilis, Fragile Fern, Brittle Fern, Brittle Bladder Fern

Emily B. Sessa    ebs_cfragilis1798b

July        

Sori few and scattered, on veins, per Peterson Field Guide to Ferns of Northeastern and Central North America.

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (10/20/20):
Cystopteris fragilis   FAMILY Cystopteridaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cystopteris fragilis   FAMILY Dryopteridaceae

INCLUDED WITHIN Flora of West Virginia (Strausbaugh & Core, 1978)
Cystopteris fragilis

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Cystopteris fragilis var. fragilis

 

Find by SCIENTIFIC NAME:

429

Fern/Fern ally
Perennial

Native to North Carolina

Rare

Habitat: Cliffs, ascending in our area to 1650 m, per Weakley's Flora

map
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.

Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)

LEAVES:
Deciduous
2-pinnate-pinnatifid ?
Leaves clustered at tip of a short-creeping rhizome

FRUIT:
Summer/Fall

 

TO LEARN MORE about this plant, look it up in a good book!



 


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