The Cacti of the United States and Canada /
Benson, Lyman David, 1909-
The Cacti of the United States and Canada / Lyman Benson ; with line drawings by Lucretia Breazeale Hamilton - Stanford, California : Stanford University Press, 1982 - ix, 1044 p. : ill. (some col.) ; 29 cm.
Bibliography : p. 987-1008
0804708630
73-080617
Cactus--United States
Cactus--Canada
Botany--United States
Botany--Canada
The Cacti of the United States and Canada / Lyman Benson ; with line drawings by Lucretia Breazeale Hamilton - Stanford, California : Stanford University Press, 1982 - ix, 1044 p. : ill. (some col.) ; 29 cm.
Bibliography : p. 987-1008
0804708630
73-080617
Cactus--United States
Cactus--Canada
Botany--United States
Botany--Canada