Flora of the District of Columbia and vicinity.
Subtitle: By A.S. Hitchcock and Paul C. Standley, with the assistance of the botanists of Washington.
Contributors: Standley, Paul Carpenter, 1884-,
Series: Smithsonian institution.  United States national museum. Contributions from the United States national herbarium.  v.21
Publisher: Govt. print. off.
Published: 1919
Place of publication: Washington
Language: eng
Number of pages: 329
Subjects: Botany -- District of Columbia