| Status of species |
A rare species. Registered in the Red Data Book of Sweden, in the Lists
of endangered lichens species in Austria, Poland and Germany. |
| Distribution |
The western and central parts of Latvia. |
| Habitat |
In mixed forests on deciduous trees. |
| Occurance |
Singly specimens occur on deciduous tree trunks and branches. |
| Reproduction |
By spores. |
| Changes in number and distribution |
Found for the first time in Latvia in Jaungulbene
(A. Bruttan, 1870), in Moricsala (K. Kupfer, 1931). It is negatively
affected by environmental pollution and human economic activity (wood cutting). |
| Existing protection |
Decision Nr 107, 1987 by the Council of Ministers of the Latvian SSR.
Localities are known in Moricsala reserve and in the territory of Gauja
National Park. Red Data Book of Latvia, 1985. |
| Suggestions for study |
Lichen biology and dynamics of population development should be studied.
The state of biotopes and population should be checked. |