-
Osmundaceae (royal fern family) is a
family of
ferns containing four to six
extant genera and 18–25
known species. It is the only
living family of the...
-
Osmundastrum is
genus of
leptosporangiate ferns in the
family Osmundaceae with one
living species,
Osmundastrum cinnamomeum, the
cinnamon fern. It is...
-
Osmunda is a
genus of
primarily temperate-zone
ferns of
family Osmundaceae. Five to ten
species have been
listed for this genus. They have
existed since...
- position, and
Osmundales where the
extinct Guaireaceae and some
members of
Osmundaceae also grew into trees. In
addition there were the
Psaroniaceae including...
-
Species in the
genus Todea, as Leptopteris, are
distinct from
other in
Osmundaceae in that
sporangia are born on
laminar pinnules. The
species in the genus...
-
families of true ferns,
including the
Marattiaceae (giant or king ferns),
Osmundaceae (royal ferns),
Schizaeaceae (comb ferns) and
Gleicheniaceae (coral ferns);...
-
requiring a
magnifying gl**** to see well. Like
other species in the
family Osmundaceae, it
grows a very
large rhizome, with
persistent stipe bases from previous...
-
during the Jur****ic
include Dipteridaceae, Matoniaceae, Gleicheniaceae,
Osmundaceae and Marattiaceae. Polypodiales,
which make up 80% of
living fern diversity...
- ferns.
Modern research supports older ideas based on
morphology that the
Osmundaceae diverged early in the
evolutionary history of the
leptosporangiate ferns;...
- †Crossothecaceae †Discopteridaceae †Urnatopteridaceae
Osmundales †Guaireaceae
Osmundaceae Hymenophyllales Hymenophyllaceae Gleicheniales †Oligocarpiaceae Dipteridaceae...
