Biology for NEET/ AIIMS/JISPER/BHU/NCERT/B.Sc
Pteridophytes are divided into four divisions.
1. Psilophyta/Psilopsida
E.g. Psilotum, Rhynia
2. Lycophyta/Lycopsida
E.g. Lycopodium, Selaginella
3. Sphenophyta/Sphenopsida
E.g. Equisetum, Hynia
4. Pterophyta/Pteropsida
E.g. Pteris, Adiantum
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