1. 
   psammosere
   psammosere A plant succession originating in a sandy area, as on sand dunes.
   Found op http://www.wordinfo.info/words/index/info/view_unit/1769/3
   
   
2. 
   Psammosere
   A psammosere is a seral community, an ecological succession that began life on newly exposed coastal sand. Most common psammoseres are sand dune systems. In a psammosere, the organisms closest to the sea will be pioneer species: salt-tolerant species such as littoral algae and glasswort with marram...
   Found op http://en.wikipedia.org/wiki/Psammosere
   
   

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