-
regarded as a
separate division of
spore plants and
called Equisetophyta,
Arthrophyta,
Calamophyta or Sphenophyta. When
treated as a class, the
names Equisetopsida...
-
progressively in
recent years. Thus some
sources place horsetails in
division Arthrophyta and
ferns in
division Monilophyta,
while others place them both in Monilophyta...
-
divisions of
flora that have been
recognized include: Lycopodiophyta,
Arthrophyta, Pteridophyta, and Pterido****tophyta.
Fossils have been recovered...
- flourish.
Beginning in the Late Mississippian,
forests of Lycopodiophyta,
Arthrophyta, Pteridophyta, and Pterido****tophyta
began to grow in
these plains...
