pteridophytes are also known as vascular cryptogams?
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A pteridophyte is a vascular plant (with xylem and phloem) that disperses spores. Because pteridophytes produce neither flowers nor seeds, they are sometimes referred to as "cryptogams", meaning that their means of reproduction is hidden.
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The differences Cryptogams are group of plants that have no true flowers or seeds and that reproduce by spores as in the ferns, mosses, fungi and algae. Phanerogams are plants comprising those having reproductive organs, flowers or seeds.
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['Nonvascular plants are called bryophytes.', 'Nonvascular plants include liverworts, hornworts, and mosses. They lack roots, stems, and leaves.', 'Nonvascular plants are low-growing, reproduce with spores, and need a moist habitat.']
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Lower vascular plant, formerly pteridophyte, also called vascular cryptogam, any of the spore-bearing vascular plants, including the ferns, club mosses, spike mosses, quillworts, horsetails, and whisk ferns.
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The Polypodiidae, commonly called leptosporangiate ferns, formerly Leptosporangiatae, are one of four subclasses of ferns, and the largest of these, being the largest group of living ferns, including some 11,000 species worldwide.
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Plants that lack vascular tissue, which is formed of specialized cells for the transport of water and nutrients, are referred to as non-vascular plants or bryophytes. Non-vascular embryophytes probably appeared early in land plant evolution and are all seedless. These plants include liverworts, mosses, and hornworts.
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Polypodiophytes (ferns) also have homosporous (most ferns, including Equisetum - horsetails) and heterosporous (Salvinia - water ferns, Marsillea - clover ferns, and Azolla - mosquito ferns) groups.
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Vascular plants include the clubmosses, horsetails, ferns, gymnosperms (including conifers) and angiosperms (flowering plants). ... Some early land plants (the rhyniophytes) had less developed vascular tissue; the term eutracheophyte has been used for all other vascular plants.
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Non-vascular plants are plants without a vascular system consisting of xylem and phloem. ... Bryophytes, an informal group that is now treated as three separate land plant Divisions, namely Bryophyta (mosses), Marchantiophyta (liverworts), and Anthocerotophyta (hornworts).
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Gymnosperms are seed-bearing vascular plants, such as cycads, ginkgo, yews and conifers, in which the ovules or seeds are not enclosed in an ovary.
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['Embryophytes The most common types of plant found on this plant since, the dawn of time, ferns are the primary example of such types.', 'Bryophytes Are known as non vascular plants that can survive in the harshest conditions of the planet like mosses.']
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Bryophytes are embryophytes that are non-vascular i.e., they have no xylem and phloem. Pteridophyte are vascular plants i.e., plants with xylem and phloem, that reproduce and disperse via spores. The dominant phase in bryophyte is gametophyte while the dominant phase in pteridophyte is sporophyte.
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Angiosperms are vascular plants, and all vascular plants have a life cycle in which the sporophyte phase (vegetative body) is the dominant phase and the gametophyte phase remains diminutive. In the nonvascular plants, such as the bryophytes, the gametophyte phase is dominant over the sporophyte phase.
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Seedless vascular plants tends to be like ferns. Unlike mosses (bryophytes) they do have vascular tissue, which is why they have long leaves, or fronds though psilotum (whisk ferns) and equistem (horse tails) don't look like traditional ferns. Conifers are gymnosperms. The are not seedless, they have cones.
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Any of numerous seedless vascular plants belonging to the phylum Pterophyta that reproduce by means of spores and usually have feathery fronds divided into many leaflets. ... Ferns were abundant in the Carboniferous period and exist today in about 11,000 species, about three-quarters of which live in tropical climates.
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- Ferns are commonly known as ornamental plants because of their delicate appearance and bright colors. - Ferns have a huge variety of plants exhibiting different characteristics. - They are vascular plants.
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NARRATOR: The ferns, or pteridophytes, belong to a large group of plants called the tracheophytes. ... It also allows the fern to grow much larger than the Bryophyta, because the conducting tissues have strengthened, allowing the fern to hold itself upright.