| Status of species |
A rare species. Registered in the Red Data Book of Estonia and in the
Lists of endangered lichens species in Finland, Denmark and Poland. |
| Distribution |
North - west part of Latvia. |
| Habitat |
Occurs on boulders. |
| Occurance |
Singly specimens occur. |
| Reproduction |
By soredia. |
| Changes in number and distribution |
Found for the first time in Slītere reserve (A. Piterāns, 1971).Negatively
affected by changes in vegetation and environmental pollution. |
| Existing protection |
Decision Nr 107, 1987 by the Council of Ministers of the Latvian SSR.
A locality is known in Slītere reserve. Red Data Book of Latvia,
1985. |
| Suggestions for study |
Lichen biology and dynamics of population development should be studied.
Its distribution should be defined. |