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Posted by Guillermo Santos | Jan 19, 2023 | Ferns
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Posted by H.T. Brent | Aug 18, 2021 | Ferns
Posted by Michael Sundue | Dec 18, 2019 | Ferns, Observations
Posted by Khanh Trinh | Dec 20, 2018 | Ferns
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Based on an estimate of 51 families worldwide. Total number of families on this website = 50.
Based on an estimate of 337 genera worldwide. Total number of genera on this website = 290.
Based on an estimate of 11,916 species worldwide. Total number of species on this website = 1600.