Bast are the strong fibers in the phloem of some plants. They conduct synthesized nutrients from the leaves to other parts of the plant. The bast of some plants are commercially important fiber crops. In vascular plants, phloem is the tissue that carries organic nutrients, particularly sucrose to all parts of the plant where needed. ... Divisions Land plants (embryophytes) Non-vascular plants (bryophytes) Hepaticophyta - liverworts Anthocerotophyta - hornworts Bryophyta - mosses Vascular plants (tracheophytes) Lycopodiophyta - clubmosses Equisetophyta - horsetails Pteridophyta - true ferns Psilotophyta - whisk ferns Ophioglossophyta - adderstongues Seed plants (spermatophytes) †Pteridospermatophyta - seed ferns Pinophyta - conifers Cycadophyta - cycads Ginkgophyta - ginkgo Gnetophyta - gnetae Magnoliophyta - flowering plants Adiantum pedatum (a fern... Nutrients and the body A nutrient is any element or compound necessary for or contributing to an organisms metabolism, growth, or other functioning. ... In botany, a leaf is an above-ground plant organ specialized for photosynthesis. ... Fiber crops are field crops grown for their fibers, which are used to make paper or cloth. ...