- A member of the Pteridophyta, a division of plants including the ferns and their allies (horsetails, club mosses).More example sentences
- H. Potonié first hypothesized the existence of a group of such transitional plants between pteridophytes and seed plants in 1899, but it is now known that ferns themselves are not the direct ancestors of seed plants.
- The term ‘xerophytic fern’ is somewhat of an oxymoron as most pteridophytes inhabit moist environments.
More definitions of pteridophyteDefinition of pteridophyte in:
- The British & World English dictionary