A guide to the poisonous plants and weed seeds of Canada and the northern United States
By: by R.B. Thomson and H.B. Sifton.
Contributors: Sifton, H. B.
Publisher: University of Toronto Press
Published: 1922
Place of publication: Toronto
Language: eng
Number of pages: 169
Subjects: Botany -- Canada; Botany -- United States.; Poisonous plants.