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11 Cards in this Set
- Front
- Back
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fern phylum
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Pterophyta
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fern allies phyla
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whisk fern, club mosses and quillworts, horsetails nad scouring rushes
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small flaps of tissue on whisk ferns
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enations
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all the spores look the same
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homosporous
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horizontal stems that run underground
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rhizomes
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provides anchorage, grows out of the epidermis of the rhizomes
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rhizoids
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hollow canal, replaces central pith
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central canal
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within vascular bundles, carries water through the stem
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carinal canals
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air filled canals on the outside section of the stem
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vallecular canal
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small brown patches on the back of fronds
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sori
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protective covering of the sorus
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indusium
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