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 395-375 MYA
division-name Trimerophytophyta
evolution Believed to have evolved from rhyniophytes. Likely ancestor of ferns and progymnosperms.
gametophyte .
habit .
leaves This species illustrate how fleaves may have formed.
life-cycle .
links .
members .
rhizome .
roots .
sporangia terminate some branches
stems Branch profusely.
stomata .
traits .
vascular-system .
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