TY  - BOOK
AU  - Hale,Mason E.
TI  - How to know the lichens
T2  - Pictured key nature series
AV  - QK587 H35
PY  - 1969///
CY  - Dubuques iowe
PB  - W. C. Brown
KW  - Liquenes
KW  - America del Norte
KW  - Identificacion
ER  -