pteridophyta(n = noun.plant) division pteridophyta - containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta;
is a kind of division
is a member of kingdom plantae, plant kingdom, plantae
A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under Cryptogamia. [1913 Webster]
" This is a modern term, devised to replace the older ones acrogens and vascular Cryptogamia." [1913 Webster]