Native & Naturalized Plants of the Carolinas & Georgia


429

Fern/Fern ally
Perennial

Native to North Carolina
Documented growing wild in - NC -

Rare

Look for it on cliffs, ascending in our area to 1650m, per Weakley's Flora

map
To see a detailed map, click here

 

LEAVES:
Deciduous
Bipinnate-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!



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

WEAKLEY'S FLORA (5/21/15):
Cystopteris fragilis   FAMILY Cystopteridaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Cystopteris fragilis   FAMILY Dryopteridaceae

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

LESS THAN Flora of West Virginia (Strausbaugh & Core, 1978)
Cystopteris fragilis

 

COMMON NAME:
Fragile Fern, Brittle Fern


Click or hover over the thumbnails to see larger pictures.

image of Cystopteris fragilis

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

        

image of Cystopteris fragilis

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

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

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

Emily B. Sessa    ebs_cfragilis1798b

July        

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