LEPTOSPORANGIATAE (BOTANIK)
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BTFILICATAE (BOTANIK)
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UDC582.394.7
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Descriptor GERLEPTOSPORANGIATAE (BOTANIK)
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Descriptor ENGLEPTOSPORANGIATAE (BOTANY)
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Descriptor FRELEPTOSPORANGIATAE (BOTANIQUE)
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NTFILICALES (BOTANIK)
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NTHYDROPTERIDALES (BOTANIK)