A division of flowerless green plants that comprises the ferns and their relatives.
- ‘Polyploidy occurs in the heterosporous and homosporous Pteridophyta, but with a much higher frequency in the latter.’
- ‘Consider the ‘Pteridophyta’ (vascular plants that reproduce by spores) are they a monophyletic group or a grade?’
- ‘The database includes the data on the spread of the autochthonous and majority of the alochthonous species of pteridophyta and anthophyta in Slovenia.’
Modern Latin (plural), from Greek pteris, pterid- ‘fern’ + phuton ‘plant’.
We take a look at several popular, though confusing, punctuation marks.