- The Polypodiidae,
commonly called leptosporangiate ferns,
formerly Leptosporangiatae, are one of four
subclasses of ferns, the
largest of
these being the...
-
number of
informal clades were recognised,
including leptosporangiates, core
leptosporangiates,
polypods (Polypodiales), and
eupolypods (including Eupolypods...
- and
ophioglossoid ferns. The fern
crown group,
consisting of the
leptosporangiates and eusporangiates, is
estimated to have
originated in the late Silurian...
- "Phylogeny and
evolution of
ferns (monilophytes) with a
focus on the
early leptosporangiate divergences".
American Journal of Botany. 91 (10): 1582–1598. doi:10...
- (4): 689–722 Skog,
Judith E. (April 2001). "Biogeography of
Mesozoic leptosporangiate ferns related to
extant ferns". Brittonia. 53 (2): 236–269. Bibcode:2001Britt...
-
epiphyte species are
flowering plants. The
second largest group are the
leptosporangiate ferns, with
about 2,800
species (10% of epiphytes).
About one-third...
- (fern-allies)
class Filices or Pteropsida, true
ferns (including
leptosporangiates, marattioids, adder's-tongues, and moonworts)
class ****topsida...
-
differentiated in the
vascular plants. In a leptosporangium,
found only in
leptosporangiate ferns,
development involves a
single initial cell that
becomes the...
- "Phylogeny and
evolution of
ferns (monilophytes) with a
focus on the
early leptosporangiate divergences",
American Journal of Botany, 91 (10): 1582–98, doi:10...
-
Extinct in the wild (EW): 45
species Critically endangered (CR): 5,702
species Endangered (EN): 10,901
species Vulnerable (VU): 9,673
species ...
