Webster's Revised Unabridged Dictionary · 1913

Lyginopteridales

Lyginopteridales , noun

An order of fossil gymnospermous trees or climbing plants from the Devonian: the seed ferns.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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