This site has good pictures and a phylogenetic tree showing the relationship between algae and bryophytes.

This is the site for the Milwaukee Public Museum's Section for Botany.

There is a list of the World's Most Endangered Bryophytes at this site.

This is the site for the New York Botanical Garden. There are excellent pictures here.

This site has very good pictures of the various structures.

This is the site for the Royal Botanical Garden of Edinburgh. It is very informative.

This site has a lot of information about Bryophytes in general as well as good pictures.