1. 
   Pteridologist
   Pter`i·dol'o·gist noun One who is versed in pteridology.
   Found op http://www.encyclo.co.uk/webster/P/188
   
   
2. 
   pteridologist
   One who is versed in pteridology. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?pteridologist
   
   
3. 
   pteridologist
   noun an expert in the study of ferns
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=pteridologist
   
   
4. 
   Pteridologist
   • (n.) One who is versed in pteridology.
   Found op http://thinkexist.com/dictionary/meaning/pteridologist/
   
   
5. 
   pteridologist
   1) Expert
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/pteridologist/1
   
   

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