Unformatted text preview: There are three Bryophyte Phyla: • Bryophyta (Mosses) • Hepatophyta (Liverworts) • Anthocerophyta (Hornworts) The three phyla are distinguished from each other on variations in sporophyte structure and gametophyte morphology. The gametophyte generation is the predominant and assimilative stage in all bryophytes. Major Characteristics of Bryophytes Bryophytes lack vascular tissues so Bryophytes must absorb all water and nutrients at the surface and pass them from cell to cell. This dependence on cell-to-cell diffusion for transport places size restriction on bryophytes. Some mosses have modified water transport cells, call hydroids, that form a central hadrom conducting tissue and a few have solute conducting cells, called leptoids that form a leptom....
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- Fall '09
- Plants, Bryophytes, Marchantiophyta, Common Bryophyte Habit