Busschn van de nôordlikke Kordieleera: verschil tussen versies

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==Eksterne koppliengn==
*{{en}} [http://editors.eol.org/eoearth/wiki/Northern_Cordillera_forests Northern Cordillera forests (''The Encyclopedia of Earth'').]
*{{en}} [http://wwf.panda.org/about_our_earth/ecoregions/muskwa_slave_boreal_forests2.cfm Global ecoregion nr 81 : Muskwa-Slave Lake Boreal Forests (WWF).]
*{{en}} [http://www.cas.vanderbilt.edu/bioimages/ecoframe-list.htm Northern Cordillera forests (''Vanderbilt'').]
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