Smithsonian Institution, Contributions from the United States National Herbarium, Volume 43. 2002. 289 pp. Price free while supplies last (softcover)
Source
Identifiers
journal ISSN : | 0007-196X |
journal e-ISSN : | 1938-436X |
DOI | 10.1663/0007-196X(2003)055[0081:BR]2.0.CO;2 |