They are usually terrestrial but they remain dependent on their aquatic ancestry.  
Their haploid gametophyte stage is the dominant generation in their alternation, a feature that distinguishes this division of plants from red and brown algae.  They have rootlike organs called rhizoids instead of vascular tissue, and their cells form tissues called parenchyma.  They are usually terrestrial but they remain dependent on their aquatic ancestry.  For 10 points, name this division of 25,000 species of liverworts, hornworts, and mosses.
Their haploid gametophyte stage is the dominant generation in their alternation, a feature that distinguishes this division of plants from red and brown algae.  
bryophytes or Bryophyta