| Status of species |
A rare species. Registered in the Lists of endangered lichens species
in Poland and Germany. |
| Distribution |
Central part of Latvia. |
| Habitat |
Occurs on mossy sandstone cliffs. |
| Occurance |
Singly specimens occur. |
| Reproduction |
By soredia. |
| Changes in number and distribution |
Found for the first time in Latvia in Gauja and Brasla valleys on sandstone
cliffs (A. Piterāns, 1973). Negatively affected by environmental pollution. |
| Existing protection |
Decision Nr 107, 1987 by the Council of Ministers of the Latvian SSR.
A locality is known in Gauja National Park. Red Data Book of Latvia, 1985. |
| Suggestions for study |
Lichen biology and dynamics of population development should be studied. |