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Ferns |
Record 51 to 58 of 58 |
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Spiral Ducts Scalariform ducts of a Fern; part of a bundle, prismatic by pressure.... |
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Spore of the Common Polypody, Germinating An illustration of a germinating spore of the common polypody: sp, exospore; k, first root-hair.... |
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Spore of the Common Polypody, Germinating An illustration of a germinating spore of the common polypody: sp, exospore; k, first root-hair.... |
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Tree Fern "Scalariform or ladder-like prismatic vessels of a Tree Fern." — Encyclopedia Britanica, 1893... |
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Tree Fern Gymnogramme hispida is a species of tree ferns in the Cyatheaceae family.... |
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Tree Fern, Pecopteris Pecopteris, frond of an ancient tree fern, was a form genus of leaves from several unrelated plant groups that flourished the early Carboniferous period and on to c. 250 Ma. Pecopteris first appeared ... |
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Tree-Fern A Tree-Fern, Dicksonia arborescens, with a young one near its base. In front a common herbaceous Fern (Polypodium vulgare) with its creeping stem or rootstock.... |
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Walking Fern The Walking Fern, Camptosorus, showing its fruit-dots on the veins approximated in pairs.... |
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