Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Cystopteris from the Vascular Plants of North Carolina.
Monilophytes (ferns): Leptosporangiate Ferns (true ferns): Polypodiales
WEAKLEY'S FLORA (5/21/15):
Cystopteris tenuis
FAMILY
Cystopteridaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Cystopteris tenuis
FAMILY
Dryopteridaceae
INCLUDED WITHIN
Flora of West Virginia (Strausbaugh & Core, 1978)
Cystopteris fragilis
SYNONYMOUS WITH
Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Cystopteris fragilis var. mackayi
COMMON NAME:
Mackay's Bladder Fern, Mackay's Fragile Fern, Upland Bladder Fern
Click or hover over the thumbnails to see larger pictures.
JK Marlow jkm160628_117
June Polk County NC
Pearson's Falls
Fronds 6-14" long and 1-3" wide; erect, arching, or prostrate, per Peterson Field Guide to Ferns of Northeastern and Central North America.
JK Marlow jkm160702_166
July Jackson County NC
Blade lanceolate, widest at or just below middle, with narrow tip, per Peterson Field Guide to Ferns of Northeastern and Central North America.
JK Marlow jkm160702_172b
July Jackson County NC
Sori round, between midrib and margin. Indusia disappear as sori mature, per Peterson Field Guide to Ferns of Northeastern and Central North America.
JK Marlow jkm160702_174
July Jackson County NC
Stipe dark brown at base w a few scales, mostly green or strawcolored above, per Peterson Field Guide to Ferns of Northeastern and Central North America.
JK Marlow jkm160726_022
July Polk County NC
Pearson's Falls
Veins extending to pinnae margins, directed into teeth AND notches, per Peterson Field Guide to Ferns of Northeastern and Central North America.