subdivision Pteropsida
Also found in: Thesaurus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Switch to new thesaurus
Noun | 1. | subdivision Pteropsida - used in former classifications to include all ferns and flowering plants and divided into the three classes Filicinae and Gymnospermae and Angiospermae division - (botany) taxonomic unit of plants corresponding to a phylum division Tracheophyta, Tracheophyta - in former classifications: comprising plants with a vascular system including ferns and fern allies as well as seed plants |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.