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Identify the incorrect pair:
A
Sphenopsida – Adiantum
B
Pteropsida – Dryopteris
C
Psilopsida – Psilotum
D
Lycopsida – Selaginella
Detailed Solution
Adiantum belongs to class Pteropsida, not Sphenopsida (whose example is Equisetum), so the pair Sphenopsida–Adiantum is incorrect.