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Lycopsida
(redirected from lycopsids)

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Lycopsida [lī′käp·sə·də]
(botany)
Former subphylum of the Embryophyta now designated as the division Lycopodiophyta.


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His analysis of fossil plants in their sedimentary context allowed Pennsylvanian coal swamp communities, dominated by lycopsids and calamiteans, to be distinguished from the coniferopsid forests, which occupied mountainous regions further inland.
Thus, the simple microphyllous leaves of the rhizomorphic lycopsids contrast radically with the morphologically and anatomically complex megaphyllous leaves of the cycadophytes, which play a much stronger role in light capture, gaseous exchange, and physical and chemical protection from herbivory (cf.
 
 
 
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