You will be given a definition of a task first, then some input of the task.
In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

Bryology is the study of Bryophytes : Mosses , liverworts and hornworts .
Output:
Bryology ( from Greek , a moss , a liverwort ) is the branch of botany concerned with the scientific study of bryophytes ( mosses , liverworts , and hornworts ) .