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
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Learn more about Dryopteris from the Vascular Plants of North Carolina.
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.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_drin5_001_lvd
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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).
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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.
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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).
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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.
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JK Marlow jkm230322_1992
March Oconee County SC
Sumter National Forest: Andrew Pickens Ranger District
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JK Marlow jkm230322_1995
March Oconee County SC
Sumter National Forest: Andrew Pickens Ranger District
)
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).
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JK Marlow jkm230428_2842
April Greenville County SC
Mountain Bridge Wilderness
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Emily B. Sessa ebsdintermedia_0046
June
Sori small, round, medial, per Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986).
)
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).
)
Emily B. Sessa ebsdintermedia_0289
June
)
Emily B. Sessa ebsdintermedia_0313
June
Sori small, between midvein and margin, per Peterson Field Guide to Ferns of Northeastern and Central North America.
)
Emily B. Sessa ebsdintermedia_0390
June
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Emily B. Sessa ebsdintermedia_0408
June
Rachis with glandular hairs, per Peterson Field Guide to Ferns of Northeastern and Central North America.
)
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.
)
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.
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Patrick D. McMillan pdmdintermedia_lvl
June Avery County NC
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Emily B. Sessa ebsdintermedia_1679
July
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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.
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Emily B. Sessa ebsdintermedia_1894
July
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JK Marlow jkm170818_693
August Jackson County NC
Big Ridge Preserve
)
JK Marlow jkm170818_695
August Jackson County NC
Big Ridge Preserve
)
JK Marlow jkm170818_697
August Jackson County NC
Big Ridge Preserve
)
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.
)
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.
)
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
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
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:
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!
- Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986) p164
- Ferns of Alabama (Short & Spaulding, 2012) p269
- Ferns of the Smokies (Evans, 2005) p77
- Gardening with the Native Plants of Tennessee (Hunter, 2002) p198
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p164
- Peterson Field Guide to Ferns of Northeastern and Central North America p145
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