| 1. | At the close of the Permian, lycopod and South China.
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| 2. | It provides early evolutionary information on mosses, lycopods and pteriodosperms.
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| 3. | Fossils of lycopod tree roots may be seen in this strata.
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| 4. | The rhizophores of the lycopods provide a slightly different approach to rooting.
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| 5. | Dicot angiosperms dominate, with lesser amounts of ferns, palms, and herbaceous lycopods.
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| 6. | There was a spike of fern and lycopod spores immediately after the close of the Permian.
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| 7. | Psilophytes, lycopod stems, logs.
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| 8. | He collected ferns, lycopods, and nonvascular plants in North America, Jamaica and New Zealand.
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| 9. | Calder continued working at Glasgow and published several more papers on Carboniferous lycopods in 1933 to 1934.
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| 10. | Lycopods and sphenopsids got a fair way down the path to the seed habit without ever crossing the threshold.
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