noun Download 🔗Share A type of bryophyte (includes mosses, liverworts, and hornworts) with a leafy stem or leafless thallus characterized by a dominant gametophyte stage and a lack of stomata on the sporophyte stage of the life cycle. Examples : "The botanist carefully observed the liverworts growing on the damp rocks near the stream. " plant biology nature organism Chat with AIVocabulary GamePractice Reading