| Title | Monograph of the lichen family Umbilicariaceae in the Western Hemisphere |
| Abbreviation | Monogr. Umbilicar. W. Hemisph. |
| Authors | G. A. Llano |
| Publication Dates | 1950 |
| Place of publication | Washington, DC |
| Publisher | Office of Naval Research, Dept. of the Navy |
| HOLLIS | 005787857 |
| Remarks | Description: vi, 281 p. illus., maps, diagrs. |
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