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Osmunda is a
genus of
primarily temperate-zone
ferns of
family Osmundaceae. Five to ten
species have been
listed for this genus.
Completely dimorphic...
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Osmunda regalis, or
royal fern, is a
species of
deciduous fern,
native to Europe,
Africa and Asia,
growing in
woodland bogs and on the
banks of streams...
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Osmunda ****onica (syn.
Osmunda nipponica Makino), also
called Asian royal fern or fiddlehead, is a fern in the
genus Osmunda native to east Asia, including...
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Osmunda lancea is a fern in the
genus Osmunda,
section Euosmunda. It is
found in ****an. It
often hybridizes with
Osmunda ****onica to
produce O. × intermedia...
- true
Osmunda. This is
borne out by the fact that it is
known to
hybridize with the
American royal fern,
Osmunda spectabilis to
produce Osmunda × ruggii...
- fern. It has only one
extant species,
Claytosmunda claytoniana (synonym
Osmunda claytoniana), the
interrupted fern,
native to
Eastern Asia,
Eastern United...
-
because of the
striking aspect of the ripe
sporangia in Claytosmunda,
Osmunda, Osmundastrum, and
Plensium (subtribe Osmundinae). In
these genera the...
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Osmunda spectabilis,
known as
American royal fern, is a
species of fern
native to a
large area of the New World, from the
eastern half of
Canada and the...
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Osmunda ×
intermedia is a
semifertile hybrid between Osmunda ****onica and
Osmunda lancea. Yatabe, Yoko; Yamamoto, Kaoru; Tsutsumi, Chie; Shinohara, Wataru;...
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Osmunda ×
ruggii is a
sterile hybrid between Osmundastrum claytonianum and
Osmunda regalis var. spectabilis. H****ler,
Michael (2004–2021), "Genus Osmunda"...
