Argus, George W.  1929-2022 <br/><br/>
Rare vascular plants in Canada our natural heritage / 
George W. Argus and Kathleen M. Pryer. 
 -- Ottawa :   Canadian Museum of Nature,   1990 
 - 191p., [43]p. de lám. 
<br/><br/>ISBN 0-660-13053-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Flora - Canada
<br/><br/><label>Universal Decimal Class. No.: </label>581.9