Lyginopteris
ly·gi·nop·teris
noun
1.
genus of fossil seed ferns of the Carboniferous
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WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
ly·gi·nop·teris
genus of fossil seed ferns of the Carboniferous
WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.