gemma cup References gemma cup botany Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: liverwort…in special organs known as gemma cups and are dispersed by rainfall. Fragmentation of the thallus can also result in new plants. Single-celled structures called rhizoids anchor most liverworts to their substrata. Read More…in special organs known as gemma cups and are dispersed by rainfall. Fragmentation of the thallus can also result in new plants. Single-celled structures called rhizoids anchor most liverworts to their substrata. Read More