Musci is a term used to describe a group of non-vascular plants that reproduce by spores instead of seeds. There are several synonyms for musci, including bryophytes, which includes mosses, liverworts, and hornworts. These plants are often found in damp or shady areas, such as forests, wetlands, and bogs. Another synonym for musci is mosses, which are small, low-growing plants that form dense mats or clumps on rocks, soil, or trees. Musci is also known as non-vascular plants, primitive plants, or lower plants, which reflects their simpler structure and lack of specialized tissues for water and nutrient transport.