- The
ferns (Polypodiopsida or Polypodiophyta) are a
group of
vascular plants (plants with
xylem and phloem) that
reproduce via
spores and have
neither seeds...
- A
system of
taxonomy of the cryptogams, the
Smith system was
published in: Smith, G.M. (1938).
Cryptogamic Botany, vol. 1.
Algae and fungi. McGraw-Hill...
-
Bryophyta 34 124 330 - -
Lycopodiophyta 3 5 6 - 6
Equisetophyta 1 1 7 13 20
Pterophyta 15 21 42 18 60
Gymnosperms 4 6 15 7 22
Angiosperms *Dicotyledonae *Monocotyledonae...
-
Systematic -
species arranged by
botanic classification, with
subsections for
Pterophyta, Angiospermophyta, Monocotyledons,
Dicotyledons Exotic plants Useful plants...
- of Iran and
Afghanistan Part 10:10. Bryophyta, Lycophyta, Sphenophyta,
Pterophyta –
Eusporangiatae and Protoleptosporangiatae". Palaeontographica. 243 (1):...
