Plants having vascular tissue and reproducing by spores WordNet 3.0 & Open English WordNet

A pteridophyte is a vascular plant that disperses spores. Wikipedia

Any plant of the division Pteridophyta, of simple vascular plants that reproduce via spores rather than seeds and that alternate generations of diploid (sporophyte) and haploid (gametophyte or prothallus) forms, the diploid generally being larger and more conspicuous. Wiktionary

Vascular plants that produce spores but not seeds. Wiktionary (translation)