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Pteridophyta 蕨類植物門; 蕨類植物門 蕨類植物門; 蕨類植物門 Pteridophyta n 1: 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 [synonym: {Pteridophyta}, {division Pteridophyta}] Pteridophyta \Pter`i*doph"y*ta\, n. pl. [NL., from Gr. ?, ?, a
fern ? a plant.] (Bot.) A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under {Cryptogamia}. -- {Pter"i*do*phyte`}, n. [1913 Webster] Note: This is a modern term, devised to replace the older ones acrogens and vascular Cryptogamia. [1913 Webster]
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