The Gentians of Canada, Alaska and Greenland.
Series: Canada. Dept. of Agriculture. Publication -- 1180.; Publication (Canada. Agriculture Canada) -- 1180.
Publisher: Research Branch, Canada Dept. of Agriculture
Published: 1963
Place of publication: [Ottawa]
Language: eng
Number of pages: 99
Subjects: Gentianaceae.; Menyanthaceae.
Notes: Bibliography: p. 94-95.