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[Pteridophyta] (Subdivision) ..[Filicales] (Class) ..[Filicinae] (Class) ..[Lycopodiales] (Class) ..[†Sphenophyllales] (Class) ..[†Sphenophyllinae] (Class) ..[Equisetales] (Class) ....[†Heterosporeae] (Subclass) ....[Isosporeae] (Subclass)

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Last updated: 21 Sep 2025