Porsild, A. E. (Alf Erling), 1901- <br/><br/>
Checklist of the vascular plants of continental Northwest Territories Canada  

 - Ottawa  Canada Department of Agriculture, Plant Research Institute  1968 
 - 102 p.  21 cm. + 1 mapa pleg. 
<br/><br/> Incluye: bibliografía (p.6-10) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TERRITORIOS DEL NOROESTE<br/>CANADA<br/>FLORA<br/>CATALOGO