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Posted by Michael Sundue | Jun 19, 2015 | Ferns, Observations
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Posted by Michael Sundue | Jun 19, 2015 | Lycophytes, Observations
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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 = 291.
Based on an estimate of 11,916 species worldwide. Total number of species on this website = 1608.
