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Taxa on this site

Around the Web

Retweet on TwitterAmerican Fern Society Retweeted
ja_pelosiJessie Pelosi@ja_pelosi·
14h

Happy #FernFriday and the third week of #51WeeksOfPteridophytes! This week is devoted to the quillworts, Isoetaceae. This is the smallest family in the lycophytes, with about 250 species according to PPG I, all in the only extant genus, Isoetes. 1/

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Retweet on TwitterBritish Pteridological Society Retweeted
Andy_MurdockAndy Murdock@Andy_Murdock·
23 Oct

Polystichum kruckebergii from the Sierra Buttes (two years ago - wish I was there now!) #fernfriday #fernsofinstagram https://instagr.am/p/CGseUccp3Aa/

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PteridophytePubPteridophyte Papers@PteridophytePub·
17h

Analytical Method Using a Scaled Hypersphere Search for High-Dimensional Metadynamics Simulations. http://dlvr.it/RqdSYv

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FOTW VS. WORLDWIDE DIVERSITY

Families
98.04%

Based on an estimate of 51 families worldwide. Total number of families on this website = 50.


Genera
83.09%

Based on an estimate of 337 genera worldwide. Total number of genera on this website = 280.


Species
10.59%

Based on an estimate of 11,916 species worldwide. Total number of species on this website = 1262.

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