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Physematium
genus, ferns
Nucleotide Protein
Blechnaceae
family, ferns
Diplazium
Athyrium
Deparia
Woodsiaceae
Aspleniineae
suborder, ferns
Athyriaceae
Anisocampium
Blechnoideae
subfamily, ferns
Cleistoblechnum
Pseudathyrium
Athyrium sect. Athyrium
section, ferns
Athyrium sect. Polystichoides
Athyrium sect. Mackinnoniana
Athyrium sect. Yokoscentia
Athyrium sect. Spinulosa
Athyrium sect. Otophora
Athyrium sect. Rupestria
Athyrium sect. Dissitifolia
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