TY  - BOOK
AU  - Gates, Frank Caleb.
TI  - An annotated list of the higher plants of the region of Douglas
CY  - Lake
PB  - Michigan
KW  - Botánica
KW  - E.U.A
N1  - Sobretiro de : Papers of the Michigan Academy of Science, arts and letters, 4:183-284, 1924
ER  -