Biology 337: Divisions ( Glossary | Divisions )
Taken Spring 2005, with Dr. Plant. Information here is based primarily upon notes from class but some from external sources like the web.

Hepatophyta
Anthocerophyta
Bryophyta
Psilotophyta
Lycophyta
Sphenophyta
Pterophyta
Rhyniophyta
Zosterophyllophyta
Trimerophytophyta
Cycadophyta
Gingkophyta
Coniferophyta
age 425-380 MYA
division-name Rhyniophyta
evolution .
gametophyte .
habit .
leaves No
life-cycle .
links More info
members .
rhizome .
roots .
sporangia located at the tips of branches.
stems Dichotomously branching. Xylem matured in a centrifugal direction. No root/stem differentiation.
stomata .
traits .
vascular-system Yes. Oldest group of vascular plants.
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