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Pteridophyte Collections Consortium
Ferns, lycophytes, and their extinct free-sporing relatives
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Actinostachys
Adiantum
Anchistea
Argyrochosma
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Aspleniaceae
Asplenium
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Athyrium
Azolla
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Dennstaedtiaceae
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Lycopodiella
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Onocleaceae
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Ophioglossum
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Osmundastrum
Parathelypteris
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Phlebodium
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