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|Noun||1.||nonflowering plant - plants having vascular tissue and reproducing by spores|
division Pteridophyta, Pteridophyta - containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
fern - any of numerous flowerless and seedless vascular plants having true roots from a rhizome and fronds that uncurl upward; reproduce by spores
fern ally - pteridophytes of other classes than Filicopsida