cycadofilicales | (n) fossil gymnospermous trees or climbing plants from the Devonian: seed ferns, Syn. Lyginopteridales, order Lyginopteridales, order Cycadofilicales |
filicales | (n) true (leptosporangiate) ferns, Syn. order Polypodiales, Polypodiales, order Filicales |
Cycadofilicales | n. an order of fossil gymnospermous trees or climbing plants from the Devonian: seed ferns. |