‘Consider the ‘Pteridophyta’ (vascular plants that reproduce by spores) are they a monophyletic group or a grade?’
‘Polyploidy occurs in the heterosporous and homosporous Pteridophyta, but with a much higher frequency in the latter.’
‘The database includes the data on the spread of the autochthonous and majority of the alochthonous species of pteridophyta and anthophyta in Slovenia.’
Origin
Modern Latin (plural), from Greek pteris, pterid- ‘fern’ + phuton ‘plant’.
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