Bryophyta
The division
Bryophyta comprises the
nonvascular complex plants, i.e. complex plants without vascular tubes or to circulate liquids around their bodies. There is a great deal of disagreement with the classication level of these plants, with some workers elevating the three classes shown in the table to division level.
These plants are generally
gametophyte-oriented; that is, the normal plant is the
haploid gametophyte, with the only
diploid structure being the
sporangium in season.
Bryophytes are considered to be the most primitive division of true plants. The three classes of bryophytes are the
mosses, liverworts and hornworts. It is believed that bryophytes evolved from
green algae and all other plants evolved from them.
The study of bryophytes is called
bryology.
External link
\n*British Bryological Society
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