TY  - BOOK
AU  - Piper,Charles V.
TI  - The identification of Berberis aquifolium and Berberis repens,
T2  - Smithsonian institution.  United States National museum.  Contributions from the United States National herbarium
AV  - QK1 .U5 vol. 20, pt. 11
PY  - 1922///
CY  - Washington
PB  - Govt. print. off.
KW  - Barberries
N1  - "Bulletin of the United States National museum."
ER  -