TY  - BOOK
AU  - Froiland,Sven G.
TI  - The genus Salix (willows) in the Black Hills of South Dakota
T2  - Technical bulletin / United States Department of Agriculture
AV  - S21 .A72 no. 1269
PY  - 1962///
CY  - Washington
PB  - U.S. Dept. of Agriculture
KW  - Willows
KW  - South Dakota
N1  - Literature cited: p. 73-74
ER  -