[Solved] Give the formula for carbon disulfide. Gymnosperms: Gymnosperms are a group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes, distinguished from flowering plants by having naked seeds. Liverworts: A group of non-vascular plants belonging to the division Hepaticophyta, characterized by a liver-like appearance and commonly found in moist, shaded environments. Vascular Tissues: Plant tissues responsible for transporting water, nutrients, and sugars throughout the plant. Mosses: A phylum of spore-producing nonvascular plants with an alternation of generations in which the dominant n gametophyte alternates with a 2n sporophyte that remains attached to the gametophyte.