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Definition of Subdivision Pteropsida
1. Noun. Used in former classifications to include all ferns and flowering plants and divided into the three classes Filicinae and Gymnospermae and Angiospermae.
Exact synonyms: Pteropsida
Generic synonyms: Division
Group relationships: Division Tracheophyta, Tracheophyta
Generic synonyms: Division
Group relationships: Division Tracheophyta, Tracheophyta