Grass
Poaceae
Paleobiology
Paleobiology
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Scale Tree
Lepidodendron
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Coastal Redwood
Sequoia sempervirens
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Petrified Wood
Plantae
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Petrified Wood
Plantae
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Fossil Horsetail
Calamites
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Fossil Tree Root
Stigmaria
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Scale Tree
Lepidodendron
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Fossil Tree-like Plant
Sigillaria
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Fossil Seed Fern
Alethopteris
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Fossil Horsetail
Calamites
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Fossil Horsetail
Annularia galioides