ISSN 0097-1618

Title: Contributions from the United States National Herbarium
BPH Abbreviation: Contr. U.S. Natl. Herb.
Published volumes: 1.1890/95–38.1963/74; 39.2000–
Publisher: Smithsonian Institute, Washington, DC.
Online access:
- Free: Botanicus (vols. 1.1890–53.2006), BHL (vols. 1.1890–57.2011), Smithsonian (39.2000–57.2011)