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Vascular plants (from 'duct'), also called tracheophytes or collectively tracheophyta (from 'windpipe', and 'plants'), form a large group of land plants (c. 300,000 accepted known species) that have lignified tissues (the xylem) for conducting water and minerals throughout the plant. They also have a specialized non-lignified tissue (the phloem) to conduct products of photosynthesis. Wikipedia