noun🔗ShareA 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."The botanist carefully observed the liverworts growing on the damp rocks near the stream. "plantbiologynatureorganismChat with AIVocabulary GamePractice Reading