Simmons, H.g. <br/><br/>
The vascular plants in the flora of Ellesmereland 

 - 197 páginas 
<br/><br/> Report of the Second Nowegian Artic Expedition in the Fram 1898-1902. Nº2 
<br/><br/> Flora America 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Flora<br/>América<br/>Artico