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4 Main Phyla of Plants

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Maya Roy

on 15 April 2010

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Transcript of 4 Main Phyla of Plants

4 MAIN Phyla of plants MOSS
(bryophyta) they are small soft plants that commonly grow close together in clumps or mats in damp or shady locations mosses are bryophytes, they are non-vascular plants. they do not have flowers or seeds, and their simple leaves cover the thin wiry stems The uses for moss are mainly in the florist trade and for home decoration.
Decaying moss in the genus Sphagnum is also the major component of peat, is mined for use as a fuel, as a horticultural soil additive, and in smoking malt in the production of Scotch whisky. three classes wtihin the moss phylum are:
Polytrichopsida
Tetraphidopsida
Bryopsida Fern
(Pteridophyta) ferns are vascular plants with stems, leaves, and roots. they do not have either seeds or flowers, and produce by spores. they are not of major economic importance, but some are grown or gathered for food, as ornamental plants, or for remediating contaminated soils the largest group of ferns are the leptosporangiate ferns, but ferns include horsetails, whisk ferns, marattioid ferns, and ophioglossoid ferns Conifers
(Pinophyta) Pinophytes are gymnosperms. They are cone-bearing seed plants with vascular tissue; all conifers are woody plants, the most of them being trees with just a few being shrubs. examples of conifers include cedars, Douglas-firs, cypresses, firs, junipers, kauris, larches, pines, redwoods, spruces, and yews. they are of immense economic value, primarily for timber and paper production flowering plants
(Angiospermae) flowering plants are distinguished from other seed plants by a series of derived characteristics. Agriculture is almost entirely dependent on angiosperms, either directly or indirectly through livestock feed flowering plants also provide economic resources in the form of wood, paper, fiber (cotton, flax, and hemp, among others), medicines (digitalis, camphor), decorative and landscaping plants, and many other uses. apples, strawberries, and potatoes are only a few examples of the many angiosperms available
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