SPHENOPHYLLACEAE (PALAEOBOTANY)
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BTEQUISETATAE (PALAEOBOTANY)
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UDC561.371.2
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Descriptor GERSPHENOPHYLLACEAE (PALÄOBOTANIK)
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Descriptor ENGSPHENOPHYLLACEAE (PALAEOBOTANY)
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Descriptor FRESPHENOPHYLLACEAE (PALÉOBOTANIQUE)
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Variant GERSPHENOPHYLLALES, SPHENOPHYLLACEAE (PALÄOBOTANIK)
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Variant ENGSPHENOPHYLLALES, SPHENOPHYLLACEAE (PALAEOBOTANY)
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Variant FRESPHENOPHYLLALES, SPHENOPHYLLACEAE (PALÉOBOTANIQUE)