OF THE CAROLINAS & GEORGIA

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

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Dryopteris intermedia   FAMILY Dryopteridaceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Dryopteris intermedia   FAMILY Dryopteridaceae

SYNONYMOUS WITH Flora of North America

Dryopteris intermedia

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 011-04-002:

Dryopteris intermedia   FAMILY Aspidiaceae

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)

Dryopteris austriaca var. intermedia

SYNONYMOUS WITH Gray's Manual of Botany (Fernald, 1950)

Dryopteris spinulosa var. intermedia

SYNONYMOUS WITH Ferns of the Southeastern States (Small, 1938)

Dryopteris intermedia

 

COMMON NAME:
Evergreen Woodfern, Fancy Fern, Intermediate Woodfern


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

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_drin5_001_lvd

        

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

JK Marlow    s100207_ab

February    Oconee County    SC

Sumter National Forest: Andrew Pickens Ranger District

Its genome forms half of that of tetraploids D. campyloptera & carthusiana, per Weakley's Flora (2012).

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

JK Marlow    jkm230322_1988

March    Oconee County    SC

Sumter National Forest: Andrew Pickens Ranger District

The only lacy-cut fern that is fully evergreen, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

JK Marlow    jkm230322_1990

March    Oconee County    SC

Sumter National Forest: Andrew Pickens Ranger District

Leaves evergreen, blades appearing more-or-less parallel-sided and minutely glandular-pubescent, per Weakley's Flora (2022).

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

JK Marlow    jkm230322_1991

March    Oconee County    SC

Sumter National Forest: Andrew Pickens Ranger District

Very similar in appearance to the closely related D. carthusiana, and they sometimes hybridize, per www.illinoiswildflowers.info.

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

JK Marlow    jkm230322_1992

March    Oconee County    SC

Sumter National Forest: Andrew Pickens Ranger District

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

JK Marlow    jkm230322_1995

March    Oconee County    SC

Sumter National Forest: Andrew Pickens Ranger District

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

JK Marlow    jkm230428_2834

April    Greenville County    SC

Mountain Bridge Wilderness

Basal pinna's first basal-pointed pinnule usually < 2× as long as its first tip-pointed pinnule, per Weakley's Flora (2022).

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

JK Marlow    jkm230428_2842

April    Greenville County    SC

Mountain Bridge Wilderness

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Emily B. Sessa    ebsdintermedia_0046

June        

Sori small, round, medial, per Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986).

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Emily B. Sessa    ebsdintermedia_0048

June        

Indusia peltate, kidney-shaped with minute pinhead glands, per Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986).

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Emily B. Sessa    ebsdintermedia_0289

June        

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Emily B. Sessa    ebsdintermedia_0313

June        

Sori small, between midvein and margin, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Emily B. Sessa    ebsdintermedia_0390

June        

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Emily B. Sessa    ebsdintermedia_0408

June        

Rachis with glandular hairs, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Emily B. Sessa    ebsdintermedia_3540

June        

Pinnae oblong, sides parallel > half the length, at right angles to rachis, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Herbarium of Clemson University    h_cu87330

June    Pickens County    SC

Evergreen. Blade oval to narrowly triangular, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Patrick D. McMillan    pdmdintermedia_lvl

June    Avery County    NC

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Emily B. Sessa    ebsdintermedia_1679

July        

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Emily B. Sessa    ebsdintermedia_1892

July        

Delicate fronds rise in upright circular clusters from a central rhizome, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Emily B. Sessa    ebsdintermedia_1894

July        

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

JK Marlow    jkm170818_693

August    Jackson County    NC

Big Ridge Preserve

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

JK Marlow    jkm170818_695

August    Jackson County    NC

Big Ridge Preserve

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

JK Marlow    jkm170818_697

August    Jackson County    NC

Big Ridge Preserve

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

Emily B. Sessa    ebsdintermedia_2701

September        

Middle to lower pinnae nearly the same length, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

JK Marlow    jkm090905_077

September    Oconee County    SC

Sumter National Forest: Andrew Pickens Ranger District

Light brown scales at base of stipe, scattered above, per Peterson Field Guide to Ferns of Northeastern and Central North America.

image of Dryopteris intermedia, Evergreen Woodfern, Fancy Fern, Intermediate Woodfern

JK Marlow    jkm090905_080

September    Oconee County    SC

Sumter National Forest: Andrew Pickens Ranger District

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Dryopteris intermedia   FAMILY Dryopteridaceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Dryopteris intermedia   FAMILY Dryopteridaceae

SYNONYMOUS WITH Flora of North America
Dryopteris intermedia

SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 011-04-002:
Dryopteris intermedia   FAMILY Aspidiaceae

SYNONYMOUS WITH Britton & Brown Illus Flora of Northeast US & adjacent Canada (Gleason, 1952)
Dryopteris austriaca var. intermedia

SYNONYMOUS WITH Gray's Manual of Botany (Fernald, 1950)
Dryopteris spinulosa var. intermedia

SYNONYMOUS WITH Ferns of the Southeastern States (Small, 1938)
Dryopteris intermedia

 

Find by SCIENTIFIC NAME:

494

Fern/Fern ally
Perennial

Habitat: cove forests, other moist, rocky forests, over a variety of substrates, per Weakley's Flora

Native to the Carolinas & Georgia

Common in Mountains, uncommon to rare elsewhere in GA-NC-SC

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

LEAVES:
Evergreen
2-pinnate-pinnatifid to 3-pinnate
Leaves in a crown around a ring of buds

FRUIT:
Summer/Fall

 

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



 


Find by SCIENTIFIC NAME: