Monilophytes (ferns): Leptosporangiate Ferns (true ferns): Polypodiales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Macrothelypteris torresiana
FAMILY
Thelypteridaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Check out EDDMapS.org to see where this has been reported.
Learn more about Mariana Maiden Fern from the Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Macrothelypteris torresiana
FAMILY
Thelypteridaceae
SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Macrothelypteris torresiana
SYNONYMOUS WITH Flora of North America
Macrothelypteris torresiana
SYNONYMOUS WITH The Ferns and Lycophytes of Texas (Diggs & Lipscomb, 2014)
Macrothelypteris torresiana
SYNONYMOUS WITH Manual of the Vascular Plants of Texas (Correll & Johnston, 1970)
Thelypteris torresiana
SYNONYMOUS WITH (MISAPPLIED) Ferns of the Southeastern States (Small, 1938)
Dryopteris setigera
COMMON NAME:
Mariana Maiden-fern, Swordfern, False Maiden-fern
To see larger pictures, click or hover over the thumbnails.
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JK Marlow jkm180529_2510
May Greenville County SC
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JK Marlow jkm160612_043
June McCormick County SC
Petiole in cross section, after a day drying in the plant press.
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JK Marlow jkm160612_053
June McCormick County SC
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Steve Marlow snm160612_073
June McCormick County SC
Petiole in cross section with 2 crescent-shaped vascular bundles at base, per Flora of North America.
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Steve Marlow snm160612_081
June McCormick County SC
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JK Marlow jkm140701_533
July Greenville County SC
Swamp Rabbit Trail
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JK Marlow jkm140710_705
July Greenville County SC
Cleveland Park
Blade covered w needlelike hairs, per Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986).
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JK Marlow jkm140710_708
July Greenville County SC
Cleveland Park
Pinnae with long tapering apex. Numerous circular sori, in rows, per Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986).
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JK Marlow jkm180803_3633
July Greenville County SC
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JK Marlow jkm140809_463
August Greenville County SC
Lake Conestee Nature Park
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JK Marlow jkm140809_463b
August Greenville County SC
Lake Conestee Nature Park
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JK Marlow jkm140809_483
August Greenville County SC
Lake Conestee Nature Park
)
JK Marlow jkm210819_2934
August Greenville County SC
Roadside ditch
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L.L. (Chick) Gaddy llg_20170810_143437
August Charleston County SC
Francis Marion National Forest
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JK Marlow jkm220927_0063
September Greenville County SC
Chestnut Ridge Heritage Preserve
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JK Marlow jkm220927_0065
September Greenville County SC
Chestnut Ridge Heritage Preserve
)
JK Marlow jkm141030_426
October Greenville County SC
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Marian StClair msc_9723
October Greenville County SC
Fronds 60-125cm long. Blade broadly triangular, per Field Guide to the Ferns and Other Pteridophytes of Georgia (Snyder & Bruce, 1986).
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Macrothelypteris torresiana
FAMILY
Thelypteridaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Macrothelypteris torresiana
FAMILY
Thelypteridaceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Macrothelypteris torresiana
SYNONYMOUS WITH
Flora of North America
Macrothelypteris torresiana
SYNONYMOUS WITH
The Ferns and Lycophytes of Texas (Diggs & Lipscomb, 2014)
Macrothelypteris torresiana
SYNONYMOUS WITH
Manual of the Vascular Plants of Texas (Correll & Johnston, 1970)
Thelypteris torresiana
SYNONYMOUS WITH (MISAPPLIED)
Ferns of the Southeastern States (Small, 1938)
Dryopteris setigera
2244
Fern/Fern ally
Perennial
Habitat: Wet hammocks, cypress swamps, streamsides, moist forests, disturbed areas, increasingly invasive in natural habitats (especially in the southern parts of our area), per Weakley's Flora
Non-native: Asian & African tropics
Uncommon (rare in NC) (rare in SC Mountains)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
This plant may be causing problems in natural areas outside its native range, according to authorities such as:
LEAVES:
Evergreen in Deep South/ Deciduous as it moves north?
2-pinnate-pinnatifid
FRUIT:
Winter/Spring/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) p134
- The Ferns and Lycophytes of Texas (Diggs & Lipscomb, 2014) p296
- Ferns of Alabama (Short & Spaulding, 2012) p203
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