books.google.ca - This exhaustively researched project brings together for the first time a complete listing of Alberta's rare vascular plants with detailed plant descriptions, habitat information and notes of special interest. Accompanied by numerous colour photographs, B&W illustrations and frequency maps, this text...http://books.google.ca/books/about/Rare_vascular_plants_of_Alberta.html?id=cCUNmrHbMHsC&utm_source=gb-gplus-shareRare vascular plants of Alberta
