Which group of plants are commonly called Amphibians of plant Kingdom ?

Amphibians of plant kingdom are

Which of the following group of plants are generally called amphibians of plant kingdom ?

Which group of plants are called amphibians of plant kingdom ? Name the branch of Botany which deals with them.

Amphibians of the plant kingdom are

Bryophytes called amphibians of plant kingdom as

Name the amphibians of plant kingdom.

Why Bryophytes are called amphibians of plant kingdom ?