Monilophytes (ferns): Leptosporangiate Ferns (true ferns): Hymenophyllales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/10/25):
Hymenophyllum cordobense
FAMILY
Hymenophyllaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
H. tunbrigense somewhat resembles Vandenboschia boschiana. It differs from V. boschiana in having the sporangia not extending beyond the deeply 2-lobed involucre (as opposed to having the sporangia exserted beyond the slightly bilobed, funnelform involucre). Read more in Weakley's Flora.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hymenophyllum tunbrigense
FAMILY
Hymenophyllaceae
SYNONYMOUS WITH Plants of the World Online (Royal Botanic Gardens, Kew, 2024)
Hymenophyllum cordobense
INCLUDED WITHIN Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Hymenophyllum tunbrigense
INCLUDED WITHIN Flora of North America north of Mexico, vol. 2 (1993)
Hymenophyllum tunbrigense
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 009-02-001:
Hymenophyllum tunbridgense FAMILY Hymenophyllaceae
-
Trichomanes tunbrigense
Basionym
Hymenophyllum tunbrigense var. cordobense
COMMON NAME:
American Tunbridge Filmy-fern, Tunbridge Fern
To see larger pictures, click or hover over the thumbnails.
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Samantha Tessel sam101721_04351
October Pickens County SC
Eastatoe Creek Heritage Preserve
Somewhat resembles Vandenboschia boschiana, but differs in that...
)
Samantha Tessel sam101721_4348
October Pickens County SC
Eastatoe Creek Heritage Preserve
the sporangia don't extend beyond the deeply 2-lobed involucre, per Weakley's Flora (2023).
)
Samantha Tessel sam101721_4349
October Pickens County SC
Eastatoe Creek Heritage Preserve
The occurrence of this filmy fern in an escarpment gorge in SC is remarkable, per Weakley's Flora (2023).
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Samantha Tessel sam101721_4350
October Pickens County SC
Eastatoe Creek Heritage Preserve
Leaves oblong, 2-3-pinnatifid; margins distantly dentate, per Flora of North America.
)
Samantha Tessel sam101721_4352
October Pickens County SC
Eastatoe Creek Heritage Preserve
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (2/10/25):
Hymenophyllum cordobense
FAMILY
Hymenophyllaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Hymenophyllum tunbrigense
FAMILY
Hymenophyllaceae
SYNONYMOUS WITH
Plants of the World Online (Royal Botanic Gardens, Kew, 2024)
Hymenophyllum cordobense
INCLUDED WITHIN
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Hymenophyllum tunbrigense
INCLUDED WITHIN
Flora of North America north of Mexico, vol. 2
Hymenophyllum tunbrigense
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT)
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 009-02-001:
Hymenophyllum tunbridgense
FAMILY
Hymenophyllaceae
-
Trichomanes tunbrigense
Basionym
Hymenophyllum tunbrigense var. cordobense
4481
Fern/Fern ally
Perennial
Habitat: Moist rock faces in an escarpment gorge with high rainfall, per Weakley's Flora
Native to South Carolina
Rare (known in North America from only one county)
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
2-3-pinnatifid
FRUIT:
Summer/Fall
TO LEARN MORE about this plant, look it up in a good book!
If a search such as "Carex leptalea var. leptalea" doesn't deliver the results you want, try "Carex leptalea".
Or, to minimize chances of a misspelling, try just "Carex le".
Less is more: If "pencil flower" doesn't deliver the results you want, try "pencil".