Contributions from the United States National Herbarium.
| Corporate Authors: | , , |
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| Format: | Government Document Serial |
| Language: | English |
| Published: |
Washington :
Smithsonian Institution Press.
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| Subjects: | |
| Online Access: | 1890-1974 2000- |
| Online Availability: |
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| Published: | Began with v. 1- 1890. |
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| Item Description: | Electronic resource. |
| Physical Description: | volumes : digital, PDF files. |
| Publication Frequency: | Irregular |
| ISSN: | 0097-1618 |