The Bryophyte reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Bryophyte

Bryophytes are plants that lack vascular tubes. They 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.

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