| Status of species |
A rare species. Registered in the Red Data Book of Lithuania and in
the Lists of endangered lichens species in Poland and Denmark. |
| Distribution |
North - west part of Latvia. |
| Habitat |
Occurs on boulders along with other lichen species in well iluminated
sites. |
| Occurance |
Singly specimens occur on boulders. |
| Reproduction |
By pieces of thalli. |
| Changes in number and distribution |
Found for the first time in Latvia in Slļtere reserve
(A. Piterąns, 1971). Its development is negatively affected by changes
in vegetation and the anthropogenic factor. |
| Existing protection |
Decision Nr 107, 1987 by the Council of Ministers of the Latvian SSR.A
locality is known in Slļtere reserve. 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. |