Pteridosperm definitions

Pteridosperm

1) Gymnosperm 2) Seed fern
Found on https://www.crosswordclues.com/clue/pteridosperm

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pteridosperm

An extinct group of seed plants which bore fern-like leaves.
Found on http://www.ucmp.berkeley.edu/glossary/gloss8botany.html

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pteridosperm

An extinct group of seed plants which bore fern-like leaves.
Found on http://www.ucmp.berkeley.edu/glossary/glossary_8.html

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