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Classification of the family Psilotaceae
Fm.
Psilotaceae
Griffith and Henfrey 1855
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G.
Psilotum
Swartz 1801
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†
Psilotum inerme
Newberry 1868
G.
Tmesipteris
Bernardi 1800
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Tmesipteris alleni
Lesquereux 1872