Seedless nonvascular plants are small. the dominant stage of the life cycle is the gametophyte. without a vascular system and roots, they absorb water and nutrients through all of their exposed surfaces. there are three main groups: the liverworts, the hornworts, and these?
lichens
algae
mildew
mosses
14.2 Seedless Plants Seedless nonvascular plants are small. The dominant stage of the life cycle is the gametophyte. Without a vascular system and roots, they absorb water and nutrients through all of their exposed surfaces. There are three main groups: the liverworts, the hornworts, and the mosses. They are collectively known as bryophytes.