Contributions from the United States National Herbarium
| Formato: | Electrónico Revista |
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| Lenguaje: | English |
| Publicado: |
Department of Botany, Smithsonian Institution
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| Materias: | |
| Acceso en línea: | Full text available on JSTOR[1890-01-01 - 2011-01-01] Off-campus access |