The identification of Berberis aquifolium and Berberis repens
By: by Charles V. Piper.
Series: Smithsonian institution.  United States National museum.  Contributions from the United States National herbarium.; v. 20, pt.11
Publisher: Govt. print. off.
Published: 1922
Place of publication: Washington
Language: eng
Number of pages: 451
Subjects: Barberries.
Notes: "Bulletin of the United States National museum."