Directions for collecting recent and fossil plants
By: by F. H. Knowlton
Series: Part B of Bulletin of the United States National Museum, No. 39; Bulletin (United States National Museum) -- no. 39, pt. b
Publisher: U. S. Govt. Print. Off.
Published: 1891
Place of publication: Washington
Language: eng
Number of pages: 46
Subjects: Botanical specimens; Collection and preservation
Notes: At head of title: Smithsonian Institution. United States National Museum.