Xanthium strumarium var. canadense (Miller) Torrey & A. Gray 

475 

University of Calgary Convocation, November 1993 

Key to plants of the farming and ranching areas of the Canadian prairies, A 

Alberta Bills: 7th Legislature, 2nd Session 

Alberta Bills: 6th Legislature, 1st Session 

Vivre à Place-Royale entre 1760 et 1820 : annexes 1 à 6 

Statutes of the Province of Alberta 1908 

The University of Calgary Department of Biological Sciences annual report 1999-2000 

The University of Calgary Department of Biological Sciences annual report 2001-2002 

The University of Calgary Department of Biological Sciences annual report 1996-97 

The University of Calgary Department of Biological Sciences annual report 2000-2001 

The University of Calgary Department of Biological Sciences annual report 2002-2003 

The University of Calgary Department of Biological Sciences annual report 1998-99 

The University of Calgary Department of Biological Sciences annual report 1997-98 

Statutes of the Province of Alberta 1929 

Statutes of Alberta 1927 

Alberta Bills: 9th Legislature, 1st Session 

Revised Statutes of Alberta 1970 Volume 5 

Revised Statutes of Alberta 1955 Volume 3