TY  - BOOK
AU  - Hale, Mason E., Jr.
TI  - A monograph of the lichen genus Pseudoparmelia lynge (Parmeliaceae)
T2  - Smithsonian contributions to botany
PY  - 1976///
CY  - Washington
PB  - Smithsonian Institution
KW  - Líquenes
KW  - Parmeliaceas
ER  -