| Status of species |
A rare species. Registered in the Red Data Book of Estonia and in the
List of endangered lichens species in Denmark. |
| Distribution |
Central part of Latvia. |
| Habitat |
Develops on sandstone cliffs. |
| Occurance |
Singly lichen thallus overgrowings occur on cliffs. |
| Reproduction |
Vegetatively by pieces of thalli. |
| Changes in number and distribution |
Found for the first time in Latvia in Gauja valley near Inčukalns and
Sigulda (N. Malta, 1920). It is negatively affected by pollution, human
activity (cuttings in cliffs) and changes in vegetation. |
| Existing protection |
Decision Nr 107, 1987 by the Council of Ministers of the Latvian SSR.
Localities are known 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. |