@book{bhlitem13778, title = {Contributions from the United States National Herbarium }, volume = {v.18 (1914-1917)}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/13778}, note = {https://www.biodiversitylibrary.org/bibliography/687}, publisher = {Washington, D.C, Smithsonian Institution Press, 1890-}, author = {United States. National Herbarium.}, year = {1914}, pages = {680}, keywords = {Botany|Periodicals}, }