1. 
   Frankia
   Genus of Actinomycetales capable of nitrogen fixation, both independently and in symbiotic association with roots of certain non-leguminous plants, notably alder.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   Frankia
   <organism> Genus of actinomycetes capable of nitrogen fixation, both independently and in symbiotic association with roots of certain nonleguminous plants, notably alder. ... (18 Nov 1997) ...
   Found op http://www.mondofacto.com/facts/dictionary?Frankia
   
   
3. 
   Frankia
   Frankia is a genus of nitrogen fixing, filamentous bacteria that live in symbiosis with actinorhizal plants, similar to the Rhizobia bacteria that are found in the root nodules of legumes in the Fabaceae family. Bacteria of this genus also form root nodules. The genus Frankia was originally named b...
   Found op http://en.wikipedia.org/wiki/Frankia
   
   

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